Home / 284,721.76-392,915.91-171,566.38

Finding the Fourth Proportional to 284,721.76, 392,915.91 and 171,566.38

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Solution

The fourth proportional to 284,721.76, 392,915.91 and 171,566.38 is: 236,761.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,721.76 : 392,915.91 = 171,566.38 : x
  2. Step 2: Convert to fraction form
    284,721.76/392,915.91 = 171,566.38/x
  3. Step 3: Cross multiply
    284,721.76x = 392,915.91 × 171,566.38
  4. Step 4: Simplify right side
    284,721.76x = 67,411,160,323.11
  5. Step 5: Solve for x
    x = 67,411,160,323.11/284,721.76
  6. Step 6: Final answer
    x = 236,761.53

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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.