Home / 428,849.58-591,812.81-237,862.97

Finding the Fourth Proportional to 428,849.58, 591,812.81 and 237,862.97

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Solution

The fourth proportional to 428,849.58, 591,812.81 and 237,862.97 is: 328,251.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,849.58 : 591,812.81 = 237,862.97 : x
  2. Step 2: Convert to fraction form
    428,849.58/591,812.81 = 237,862.97/x
  3. Step 3: Cross multiply
    428,849.58x = 591,812.81 × 237,862.97
  4. Step 4: Simplify right side
    428,849.58x = 140,770,348,522.27
  5. Step 5: Solve for x
    x = 140,770,348,522.27/428,849.58
  6. Step 6: Final answer
    x = 328,251.11

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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.