Home / 425,454.03-587,126.67-231,861.81

Finding the Fourth Proportional to 425,454.03, 587,126.67 and 231,861.81

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Solution

The fourth proportional to 425,454.03, 587,126.67 and 231,861.81 is: 319,969.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,454.03 : 587,126.67 = 231,861.81 : x
  2. Step 2: Convert to fraction form
    425,454.03/587,126.67 = 231,861.81/x
  3. Step 3: Cross multiply
    425,454.03x = 587,126.67 × 231,861.81
  4. Step 4: Simplify right side
    425,454.03x = 136,132,252,405.47
  5. Step 5: Solve for x
    x = 136,132,252,405.47/425,454.03
  6. Step 6: Final answer
    x = 319,969.36

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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.