Home / 428,391.90-591,204.35-237,401.19

Finding the Fourth Proportional to 428,391.90, 591,204.35 and 237,401.19

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Solution

The fourth proportional to 428,391.90, 591,204.35 and 237,401.19 is: 327,626.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,391.90 : 591,204.35 = 237,401.19 : x
  2. Step 2: Convert to fraction form
    428,391.90/591,204.35 = 237,401.19/x
  3. Step 3: Cross multiply
    428,391.90x = 591,204.35 × 237,401.19
  4. Step 4: Simplify right side
    428,391.90x = 140,352,616,816.68
  5. Step 5: Solve for x
    x = 140,352,616,816.68/428,391.90
  6. Step 6: Final answer
    x = 327,626.68

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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.