Home / 347,713.60-521,635.20-111,123.40

Finding the Fourth Proportional to 347,713.60, 521,635.20 and 111,123.40

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Solution

The fourth proportional to 347,713.60, 521,635.20 and 111,123.40 is: 166,705.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,713.60 : 521,635.20 = 111,123.40 : x
  2. Step 2: Convert to fraction form
    347,713.60/521,635.20 = 111,123.40/x
  3. Step 3: Cross multiply
    347,713.60x = 521,635.20 × 111,123.40
  4. Step 4: Simplify right side
    347,713.60x = 57,965,876,983.68
  5. Step 5: Solve for x
    x = 57,965,876,983.68/347,713.60
  6. Step 6: Final answer
    x = 166,705.81

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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.