Home / 284,264.52-392,285.62-156,940.36

Finding the Fourth Proportional to 284,264.52, 392,285.62 and 156,940.36

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Solution

The fourth proportional to 284,264.52, 392,285.62 and 156,940.36 is: 216,578.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,264.52 : 392,285.62 = 156,940.36 : x
  2. Step 2: Convert to fraction form
    284,264.52/392,285.62 = 156,940.36/x
  3. Step 3: Cross multiply
    284,264.52x = 392,285.62 × 156,940.36
  4. Step 4: Simplify right side
    284,264.52x = 61,565,446,425.62
  5. Step 5: Solve for x
    x = 61,565,446,425.62/284,264.52
  6. Step 6: Final answer
    x = 216,578.02

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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.