Home / 347,921.49-521,914.11-108,036.75

Finding the Fourth Proportional to 347,921.49, 521,914.11 and 108,036.75

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Solution

The fourth proportional to 347,921.49, 521,914.11 and 108,036.75 is: 162,065.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,921.49 : 521,914.11 = 108,036.75 : x
  2. Step 2: Convert to fraction form
    347,921.49/521,914.11 = 108,036.75/x
  3. Step 3: Cross multiply
    347,921.49x = 521,914.11 × 108,036.75
  4. Step 4: Simplify right side
    347,921.49x = 56,385,904,223.54
  5. Step 5: Solve for x
    x = 56,385,904,223.54/347,921.49
  6. Step 6: Final answer
    x = 162,065.02

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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.