Home / 412,442.73-569,170.20-231,154.61

Finding the Fourth Proportional to 412,442.73, 569,170.20 and 231,154.61

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Solution

The fourth proportional to 412,442.73, 569,170.20 and 231,154.61 is: 318,992.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,442.73 : 569,170.20 = 231,154.61 : x
  2. Step 2: Convert to fraction form
    412,442.73/569,170.20 = 231,154.61/x
  3. Step 3: Cross multiply
    412,442.73x = 569,170.20 × 231,154.61
  4. Step 4: Simplify right side
    412,442.73x = 131,566,312,758.77
  5. Step 5: Solve for x
    x = 131,566,312,758.77/412,442.73
  6. Step 6: Final answer
    x = 318,992.92

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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.