Home / 297,389.28-410,397.52-161,423.20

Finding the Fourth Proportional to 297,389.28, 410,397.52 and 161,423.20

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Solution

The fourth proportional to 297,389.28, 410,397.52 and 161,423.20 is: 222,764.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,389.28 : 410,397.52 = 161,423.20 : x
  2. Step 2: Convert to fraction form
    297,389.28/410,397.52 = 161,423.20/x
  3. Step 3: Cross multiply
    297,389.28x = 410,397.52 × 161,423.20
  4. Step 4: Simplify right side
    297,389.28x = 66,247,680,950.46
  5. Step 5: Solve for x
    x = 66,247,680,950.46/297,389.28
  6. Step 6: Final answer
    x = 222,764.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.