Home / 428,834.12-591,861.94-237,909.02

Finding the Fourth Proportional to 428,834.12, 591,861.94 and 237,909.02

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Solution

The fourth proportional to 428,834.12, 591,861.94 and 237,909.02 is: 328,353.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,834.12 : 591,861.94 = 237,909.02 : x
  2. Step 2: Convert to fraction form
    428,834.12/591,861.94 = 237,909.02/x
  3. Step 3: Cross multiply
    428,834.12x = 591,861.94 × 237,909.02
  4. Step 4: Simplify right side
    428,834.12x = 140,809,290,566.62
  5. Step 5: Solve for x
    x = 140,809,290,566.62/428,834.12
  6. Step 6: Final answer
    x = 328,353.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.