Home / 428,373.20-591,158.44-237,389.76

Finding the Fourth Proportional to 428,373.20, 591,158.44 and 237,389.76

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Solution

The fourth proportional to 428,373.20, 591,158.44 and 237,389.76 is: 327,599.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,373.20 : 591,158.44 = 237,389.76 : x
  2. Step 2: Convert to fraction form
    428,373.20/591,158.44 = 237,389.76/x
  3. Step 3: Cross multiply
    428,373.20x = 591,158.44 × 237,389.76
  4. Step 4: Simplify right side
    428,373.20x = 140,334,960,193.57
  5. Step 5: Solve for x
    x = 140,334,960,193.57/428,373.20
  6. Step 6: Final answer
    x = 327,599.77

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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.