Home / 261,003.80-391,508.00-103,232.23

Finding the Fourth Proportional to 261,003.80, 391,508.00 and 103,232.23

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Solution

The fourth proportional to 261,003.80, 391,508.00 and 103,232.23 is: 154,849.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,003.80 : 391,508.00 = 103,232.23 : x
  2. Step 2: Convert to fraction form
    261,003.80/391,508.00 = 103,232.23/x
  3. Step 3: Cross multiply
    261,003.80x = 391,508.00 × 103,232.23
  4. Step 4: Simplify right side
    261,003.80x = 40,416,242,795.03
  5. Step 5: Solve for x
    x = 40,416,242,795.03/261,003.80
  6. Step 6: Final answer
    x = 154,849.25

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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.