Home / 439,060.32-658,687.68-139,632.48

Finding the Fourth Proportional to 439,060.32, 658,687.68 and 139,632.48

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Solution

The fourth proportional to 439,060.32, 658,687.68 and 139,632.48 is: 209,479.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,060.32 : 658,687.68 = 139,632.48 : x
  2. Step 2: Convert to fraction form
    439,060.32/658,687.68 = 139,632.48/x
  3. Step 3: Cross multiply
    439,060.32x = 658,687.68 × 139,632.48
  4. Step 4: Simplify right side
    439,060.32x = 91,974,194,303.85
  5. Step 5: Solve for x
    x = 91,974,194,303.85/439,060.32
  6. Step 6: Final answer
    x = 209,479.63

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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.