Home / 428,359.44-591,139.50-237,376.02

Finding the Fourth Proportional to 428,359.44, 591,139.50 and 237,376.02

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Solution

The fourth proportional to 428,359.44, 591,139.50 and 237,376.02 is: 327,580.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,359.44 : 591,139.50 = 237,376.02 : x
  2. Step 2: Convert to fraction form
    428,359.44/591,139.50 = 237,376.02/x
  3. Step 3: Cross multiply
    428,359.44x = 591,139.50 × 237,376.02
  4. Step 4: Simplify right side
    428,359.44x = 140,322,341,774.79
  5. Step 5: Solve for x
    x = 140,322,341,774.79/428,359.44
  6. Step 6: Final answer
    x = 327,580.83

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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.