Home / 425,401.22-587,046.11-231,810.62

Finding the Fourth Proportional to 425,401.22, 587,046.11 and 231,810.62

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Solution

The fourth proportional to 425,401.22, 587,046.11 and 231,810.62 is: 319,894.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,401.22 : 587,046.11 = 231,810.62 : x
  2. Step 2: Convert to fraction form
    425,401.22/587,046.11 = 231,810.62/x
  3. Step 3: Cross multiply
    425,401.22x = 587,046.11 × 231,810.62
  4. Step 4: Simplify right side
    425,401.22x = 136,083,518,633.41
  5. Step 5: Solve for x
    x = 136,083,518,633.41/425,401.22
  6. Step 6: Final answer
    x = 319,894.52

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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.