Home / 439,608.30-659,405.28-140,084.82

Finding the Fourth Proportional to 439,608.30, 659,405.28 and 140,084.82

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Solution

The fourth proportional to 439,608.30, 659,405.28 and 140,084.82 is: 210,124.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,608.30 : 659,405.28 = 140,084.82 : x
  2. Step 2: Convert to fraction form
    439,608.30/659,405.28 = 140,084.82/x
  3. Step 3: Cross multiply
    439,608.30x = 659,405.28 × 140,084.82
  4. Step 4: Simplify right side
    439,608.30x = 92,372,669,955.85
  5. Step 5: Solve for x
    x = 92,372,669,955.85/439,608.30
  6. Step 6: Final answer
    x = 210,124.95

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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.