Home / 347,966.73-521,950.10-85,310.73

Finding the Fourth Proportional to 347,966.73, 521,950.10 and 85,310.73

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Solution

The fourth proportional to 347,966.73, 521,950.10 and 85,310.73 is: 127,966.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,966.73 : 521,950.10 = 85,310.73 : x
  2. Step 2: Convert to fraction form
    347,966.73/521,950.10 = 85,310.73/x
  3. Step 3: Cross multiply
    347,966.73x = 521,950.10 × 85,310.73
  4. Step 4: Simplify right side
    347,966.73x = 44,527,944,054.57
  5. Step 5: Solve for x
    x = 44,527,944,054.57/347,966.73
  6. Step 6: Final answer
    x = 127,966.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.