Home / 439,000.60-658,529.70-123,467.80

Finding the Fourth Proportional to 439,000.60, 658,529.70 and 123,467.80

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Solution

The fourth proportional to 439,000.60, 658,529.70 and 123,467.80 is: 185,209.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,000.60 : 658,529.70 = 123,467.80 : x
  2. Step 2: Convert to fraction form
    439,000.60/658,529.70 = 123,467.80/x
  3. Step 3: Cross multiply
    439,000.60x = 658,529.70 × 123,467.80
  4. Step 4: Simplify right side
    439,000.60x = 81,307,213,293.66
  5. Step 5: Solve for x
    x = 81,307,213,293.66/439,000.60
  6. Step 6: Final answer
    x = 185,209.80

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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.