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Finding the Fourth Proportional to 400,164.11, 600,246.17 and 163,506.57

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Solution

The fourth proportional to 400,164.11, 600,246.17 and 163,506.57 is: 245,259.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,164.11 : 600,246.17 = 163,506.57 : x
  2. Step 2: Convert to fraction form
    400,164.11/600,246.17 = 163,506.57/x
  3. Step 3: Cross multiply
    400,164.11x = 600,246.17 × 163,506.57
  4. Step 4: Simplify right side
    400,164.11x = 98,144,191,594.80
  5. Step 5: Solve for x
    x = 98,144,191,594.80/400,164.11
  6. Step 6: Final answer
    x = 245,259.86

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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.