Home / 428,372.52-591,157.38-237,389

Finding the Fourth Proportional to 428,372.52, 591,157.38 and 237,389

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Solution

The fourth proportional to 428,372.52, 591,157.38 and 237,389 is: 327,598.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,372.52 : 591,157.38 = 237,389 : x
  2. Step 2: Convert to fraction form
    428,372.52/591,157.38 = 237,389/x
  3. Step 3: Cross multiply
    428,372.52x = 591,157.38 × 237,389
  4. Step 4: Simplify right side
    428,372.52x = 140,334,259,280.82
  5. Step 5: Solve for x
    x = 140,334,259,280.82/428,372.52
  6. Step 6: Final answer
    x = 327,598.65

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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.