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Finding the Fourth Proportional to 283,679.60, 424,957.80 and 183,909.20

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Solution

The fourth proportional to 283,679.60, 424,957.80 and 183,909.20 is: 275,499.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,679.60 : 424,957.80 = 183,909.20 : x
  2. Step 2: Convert to fraction form
    283,679.60/424,957.80 = 183,909.20/x
  3. Step 3: Cross multiply
    283,679.60x = 424,957.80 × 183,909.20
  4. Step 4: Simplify right side
    283,679.60x = 78,153,649,031.76
  5. Step 5: Solve for x
    x = 78,153,649,031.76/283,679.60
  6. Step 6: Final answer
    x = 275,499.72

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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.