Home / 439,062.16-658,524.36-139,503.28

Finding the Fourth Proportional to 439,062.16, 658,524.36 and 139,503.28

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Solution

The fourth proportional to 439,062.16, 658,524.36 and 139,503.28 is: 209,233.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,062.16 : 658,524.36 = 139,503.28 : x
  2. Step 2: Convert to fraction form
    439,062.16/658,524.36 = 139,503.28/x
  3. Step 3: Cross multiply
    439,062.16x = 658,524.36 × 139,503.28
  4. Step 4: Simplify right side
    439,062.16x = 91,866,308,179.90
  5. Step 5: Solve for x
    x = 91,866,308,179.90/439,062.16
  6. Step 6: Final answer
    x = 209,233.03

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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.