Home / 439,246.20-658,431.90-202,175.40

Finding the Fourth Proportional to 439,246.20, 658,431.90 and 202,175.40

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Solution

The fourth proportional to 439,246.20, 658,431.90 and 202,175.40 is: 303,061.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,246.20 : 658,431.90 = 202,175.40 : x
  2. Step 2: Convert to fraction form
    439,246.20/658,431.90 = 202,175.40/x
  3. Step 3: Cross multiply
    439,246.20x = 658,431.90 × 202,175.40
  4. Step 4: Simplify right side
    439,246.20x = 133,118,732,755.26
  5. Step 5: Solve for x
    x = 133,118,732,755.26/439,246.20
  6. Step 6: Final answer
    x = 303,061.77

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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.