Home / 242,409.11-363,444.71-107,399.79

Finding the Fourth Proportional to 242,409.11, 363,444.71 and 107,399.79

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Solution

The fourth proportional to 242,409.11, 363,444.71 and 107,399.79 is: 161,024.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,409.11 : 363,444.71 = 107,399.79 : x
  2. Step 2: Convert to fraction form
    242,409.11/363,444.71 = 107,399.79/x
  3. Step 3: Cross multiply
    242,409.11x = 363,444.71 × 107,399.79
  4. Step 4: Simplify right side
    242,409.11x = 39,033,884,993.61
  5. Step 5: Solve for x
    x = 39,033,884,993.61/242,409.11
  6. Step 6: Final answer
    x = 161,024.83

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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.