Home / 439,789.98-659,747.85-140,273.96

Finding the Fourth Proportional to 439,789.98, 659,747.85 and 140,273.96

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Solution

The fourth proportional to 439,789.98, 659,747.85 and 140,273.96 is: 210,430.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,789.98 : 659,747.85 = 140,273.96 : x
  2. Step 2: Convert to fraction form
    439,789.98/659,747.85 = 140,273.96/x
  3. Step 3: Cross multiply
    439,789.98x = 659,747.85 × 140,273.96
  4. Step 4: Simplify right side
    439,789.98x = 92,545,441,871.62
  5. Step 5: Solve for x
    x = 92,545,441,871.62/439,789.98
  6. Step 6: Final answer
    x = 210,430.99

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1.5x scale

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.