Home / 299,433.11-448,980.17-121,731.15

Finding the Fourth Proportional to 299,433.11, 448,980.17 and 121,731.15

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Solution

The fourth proportional to 299,433.11, 448,980.17 and 121,731.15 is: 182,527.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,433.11 : 448,980.17 = 121,731.15 : x
  2. Step 2: Convert to fraction form
    299,433.11/448,980.17 = 121,731.15/x
  3. Step 3: Cross multiply
    299,433.11x = 448,980.17 × 121,731.15
  4. Step 4: Simplify right side
    299,433.11x = 54,654,873,496.32
  5. Step 5: Solve for x
    x = 54,654,873,496.32/299,433.11
  6. Step 6: Final answer
    x = 182,527.83

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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.