Home / 608,949.40-913,424.10-165,717.40

Finding the Fourth Proportional to 608,949.40, 913,424.10 and 165,717.40

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Solution

The fourth proportional to 608,949.40, 913,424.10 and 165,717.40 is: 248,576.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,949.40 : 913,424.10 = 165,717.40 : x
  2. Step 2: Convert to fraction form
    608,949.40/913,424.10 = 165,717.40/x
  3. Step 3: Cross multiply
    608,949.40x = 913,424.10 × 165,717.40
  4. Step 4: Simplify right side
    608,949.40x = 151,370,266,949.34
  5. Step 5: Solve for x
    x = 151,370,266,949.34/608,949.40
  6. Step 6: Final answer
    x = 248,576.10

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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.