Home / 439,739.83-659,717.17-140,220.46

Finding the Fourth Proportional to 439,739.83, 659,717.17 and 140,220.46

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Solution

The fourth proportional to 439,739.83, 659,717.17 and 140,220.46 is: 210,364.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,739.83 : 659,717.17 = 140,220.46 : x
  2. Step 2: Convert to fraction form
    439,739.83/659,717.17 = 140,220.46/x
  3. Step 3: Cross multiply
    439,739.83x = 659,717.17 × 140,220.46
  4. Step 4: Simplify right side
    439,739.83x = 92,505,843,047.45
  5. Step 5: Solve for x
    x = 92,505,843,047.45/439,739.83
  6. Step 6: Final answer
    x = 210,364.94

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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.