Home / 347,861.40-521,669.16-165,470.70

Finding the Fourth Proportional to 347,861.40, 521,669.16 and 165,470.70

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Solution

The fourth proportional to 347,861.40, 521,669.16 and 165,470.70 is: 248,147.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,861.40 : 521,669.16 = 165,470.70 : x
  2. Step 2: Convert to fraction form
    347,861.40/521,669.16 = 165,470.70/x
  3. Step 3: Cross multiply
    347,861.40x = 521,669.16 × 165,470.70
  4. Step 4: Simplify right side
    347,861.40x = 86,320,961,073.61
  5. Step 5: Solve for x
    x = 86,320,961,073.61/347,861.40
  6. Step 6: Final answer
    x = 248,147.57

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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.