Home / 347,720.52-521,662.14-107,821.80

Finding the Fourth Proportional to 347,720.52, 521,662.14 and 107,821.80

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Solution

The fourth proportional to 347,720.52, 521,662.14 and 107,821.80 is: 161,757.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,720.52 : 521,662.14 = 107,821.80 : x
  2. Step 2: Convert to fraction form
    347,720.52/521,662.14 = 107,821.80/x
  3. Step 3: Cross multiply
    347,720.52x = 521,662.14 × 107,821.80
  4. Step 4: Simplify right side
    347,720.52x = 56,246,550,926.65
  5. Step 5: Solve for x
    x = 56,246,550,926.65/347,720.52
  6. Step 6: Final answer
    x = 161,757.93

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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.