Home / 479,263.61-719,044.59-142,306.02

Finding the Fourth Proportional to 479,263.61, 719,044.59 and 142,306.02

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Solution

The fourth proportional to 479,263.61, 719,044.59 and 142,306.02 is: 213,503.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,263.61 : 719,044.59 = 142,306.02 : x
  2. Step 2: Convert to fraction form
    479,263.61/719,044.59 = 142,306.02/x
  3. Step 3: Cross multiply
    479,263.61x = 719,044.59 × 142,306.02
  4. Step 4: Simplify right side
    479,263.61x = 102,324,373,805.43
  5. Step 5: Solve for x
    x = 102,324,373,805.43/479,263.61
  6. Step 6: Final answer
    x = 213,503.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.