Home / 261,051.22-391,614.38-99,004.92

Finding the Fourth Proportional to 261,051.22, 391,614.38 and 99,004.92

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Solution

The fourth proportional to 261,051.22, 391,614.38 and 99,004.92 is: 148,521.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,051.22 : 391,614.38 = 99,004.92 : x
  2. Step 2: Convert to fraction form
    261,051.22/391,614.38 = 99,004.92/x
  3. Step 3: Cross multiply
    261,051.22x = 391,614.38 × 99,004.92
  4. Step 4: Simplify right side
    261,051.22x = 38,771,750,362.75
  5. Step 5: Solve for x
    x = 38,771,750,362.75/261,051.22
  6. Step 6: Final answer
    x = 148,521.62

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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.