Home / 284,110.44-392,062.12-156,783.30

Finding the Fourth Proportional to 284,110.44, 392,062.12 and 156,783.30

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Solution

The fourth proportional to 284,110.44, 392,062.12 and 156,783.30 is: 216,355.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,110.44 : 392,062.12 = 156,783.30 : x
  2. Step 2: Convert to fraction form
    284,110.44/392,062.12 = 156,783.30/x
  3. Step 3: Cross multiply
    284,110.44x = 392,062.12 × 156,783.30
  4. Step 4: Simplify right side
    284,110.44x = 61,468,791,998.31
  5. Step 5: Solve for x
    x = 61,468,791,998.31/284,110.44
  6. Step 6: Final answer
    x = 216,355.28

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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.