Home / 284,734.31-392,941.55-157,418.11

Finding the Fourth Proportional to 284,734.31, 392,941.55 and 157,418.11

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Solution

The fourth proportional to 284,734.31, 392,941.55 and 157,418.11 is: 217,241.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,734.31 : 392,941.55 = 157,418.11 : x
  2. Step 2: Convert to fraction form
    284,734.31/392,941.55 = 157,418.11/x
  3. Step 3: Cross multiply
    284,734.31x = 392,941.55 × 157,418.11
  4. Step 4: Simplify right side
    284,734.31x = 61,856,115,552.66
  5. Step 5: Solve for x
    x = 61,856,115,552.66/284,734.31
  6. Step 6: Final answer
    x = 217,241.52

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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.