Home / 306,962.30-423,591.54-169,136.95

Finding the Fourth Proportional to 306,962.30, 423,591.54 and 169,136.95

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Solution

The fourth proportional to 306,962.30, 423,591.54 and 169,136.95 is: 233,399.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,962.30 : 423,591.54 = 169,136.95 : x
  2. Step 2: Convert to fraction form
    306,962.30/423,591.54 = 169,136.95/x
  3. Step 3: Cross multiply
    306,962.30x = 423,591.54 × 169,136.95
  4. Step 4: Simplify right side
    306,962.30x = 71,644,981,121.40
  5. Step 5: Solve for x
    x = 71,644,981,121.40/306,962.30
  6. Step 6: Final answer
    x = 233,399.94

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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.