Home / 284,222.82-392,227.56-156,898.50

Finding the Fourth Proportional to 284,222.82, 392,227.56 and 156,898.50

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Solution

The fourth proportional to 284,222.82, 392,227.56 and 156,898.50 is: 216,519.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,222.82 : 392,227.56 = 156,898.50 : x
  2. Step 2: Convert to fraction form
    284,222.82/392,227.56 = 156,898.50/x
  3. Step 3: Cross multiply
    284,222.82x = 392,227.56 × 156,898.50
  4. Step 4: Simplify right side
    284,222.82x = 61,539,915,822.66
  5. Step 5: Solve for x
    x = 61,539,915,822.66/284,222.82
  6. Step 6: Final answer
    x = 216,519.97

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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.