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Finding the Fourth Proportional to 608,048.10, 912,072.15 and 164,816.10

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Solution

The fourth proportional to 608,048.10, 912,072.15 and 164,816.10 is: 247,224.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,048.10 : 912,072.15 = 164,816.10 : x
  2. Step 2: Convert to fraction form
    608,048.10/912,072.15 = 164,816.10/x
  3. Step 3: Cross multiply
    608,048.10x = 912,072.15 × 164,816.10
  4. Step 4: Simplify right side
    608,048.10x = 150,324,174,681.62
  5. Step 5: Solve for x
    x = 150,324,174,681.62/608,048.10
  6. Step 6: Final answer
    x = 247,224.15

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.