Home / 428,466.88-591,319.68-237,540.16

Finding the Fourth Proportional to 428,466.88, 591,319.68 and 237,540.16

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Solution

The fourth proportional to 428,466.88, 591,319.68 and 237,540.16 is: 327,825.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,466.88 : 591,319.68 = 237,540.16 : x
  2. Step 2: Convert to fraction form
    428,466.88/591,319.68 = 237,540.16/x
  3. Step 3: Cross multiply
    428,466.88x = 591,319.68 × 237,540.16
  4. Step 4: Simplify right side
    428,466.88x = 140,462,171,398.35
  5. Step 5: Solve for x
    x = 140,462,171,398.35/428,466.88
  6. Step 6: Final answer
    x = 327,825.04

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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.