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Finding the Fourth Proportional to 283,668.08, 425,500.80 and 83,989.68

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Solution

The fourth proportional to 283,668.08, 425,500.80 and 83,989.68 is: 125,984.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,668.08 : 425,500.80 = 83,989.68 : x
  2. Step 2: Convert to fraction form
    283,668.08/425,500.80 = 83,989.68/x
  3. Step 3: Cross multiply
    283,668.08x = 425,500.80 × 83,989.68
  4. Step 4: Simplify right side
    283,668.08x = 35,737,676,031.74
  5. Step 5: Solve for x
    x = 35,737,676,031.74/283,668.08
  6. Step 6: Final answer
    x = 125,984.13

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1.5x scale

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.