Home / 428,847.99-591,881.09-237,922.89

Finding the Fourth Proportional to 428,847.99, 591,881.09 and 237,922.89

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Solution

The fourth proportional to 428,847.99, 591,881.09 and 237,922.89 is: 328,372.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,847.99 : 591,881.09 = 237,922.89 : x
  2. Step 2: Convert to fraction form
    428,847.99/591,881.09 = 237,922.89/x
  3. Step 3: Cross multiply
    428,847.99x = 591,881.09 × 237,922.89
  4. Step 4: Simplify right side
    428,847.99x = 140,822,059,469.15
  5. Step 5: Solve for x
    x = 140,822,059,469.15/428,847.99
  6. Step 6: Final answer
    x = 328,372.90

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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.