Home / 284,210.45-392,196.65-161,691.29

Finding the Fourth Proportional to 284,210.45, 392,196.65 and 161,691.29

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Solution

The fourth proportional to 284,210.45, 392,196.65 and 161,691.29 is: 223,126.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,210.45 : 392,196.65 = 161,691.29 : x
  2. Step 2: Convert to fraction form
    284,210.45/392,196.65 = 161,691.29/x
  3. Step 3: Cross multiply
    284,210.45x = 392,196.65 × 161,691.29
  4. Step 4: Simplify right side
    284,210.45x = 63,414,780,973.48
  5. Step 5: Solve for x
    x = 63,414,780,973.48/284,210.45
  6. Step 6: Final answer
    x = 223,126.14

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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.