Home / 428,891.64-591,941.46-237,966.54

Finding the Fourth Proportional to 428,891.64, 591,941.46 and 237,966.54

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Solution

The fourth proportional to 428,891.64, 591,941.46 and 237,966.54 is: 328,433.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,891.64 : 591,941.46 = 237,966.54 : x
  2. Step 2: Convert to fraction form
    428,891.64/591,941.46 = 237,966.54/x
  3. Step 3: Cross multiply
    428,891.64x = 591,941.46 × 237,966.54
  4. Step 4: Simplify right side
    428,891.64x = 140,862,261,118.75
  5. Step 5: Solve for x
    x = 140,862,261,118.75/428,891.64
  6. Step 6: Final answer
    x = 328,433.22

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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.