Home / 439,305.20-658,520.40-202,234.40

Finding the Fourth Proportional to 439,305.20, 658,520.40 and 202,234.40

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Solution

The fourth proportional to 439,305.20, 658,520.40 and 202,234.40 is: 303,150.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,305.20 : 658,520.40 = 202,234.40 : x
  2. Step 2: Convert to fraction form
    439,305.20/658,520.40 = 202,234.40/x
  3. Step 3: Cross multiply
    439,305.20x = 658,520.40 × 202,234.40
  4. Step 4: Simplify right side
    439,305.20x = 133,175,477,981.76
  5. Step 5: Solve for x
    x = 133,175,477,981.76/439,305.20
  6. Step 6: Final answer
    x = 303,150.24

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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.