Home / 284,110.26-392,060.70-156,784.20

Finding the Fourth Proportional to 284,110.26, 392,060.70 and 156,784.20

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Solution

The fourth proportional to 284,110.26, 392,060.70 and 156,784.20 is: 216,355.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,110.26 : 392,060.70 = 156,784.20 : x
  2. Step 2: Convert to fraction form
    284,110.26/392,060.70 = 156,784.20/x
  3. Step 3: Cross multiply
    284,110.26x = 392,060.70 × 156,784.20
  4. Step 4: Simplify right side
    284,110.26x = 61,468,923,200.94
  5. Step 5: Solve for x
    x = 61,468,923,200.94/284,110.26
  6. Step 6: Final answer
    x = 216,355.87

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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.