Home / 279,084.11-418,628.75-89,544.87

Finding the Fourth Proportional to 279,084.11, 418,628.75 and 89,544.87

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Solution

The fourth proportional to 279,084.11, 418,628.75 and 89,544.87 is: 134,318.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,084.11 : 418,628.75 = 89,544.87 : x
  2. Step 2: Convert to fraction form
    279,084.11/418,628.75 = 89,544.87/x
  3. Step 3: Cross multiply
    279,084.11x = 418,628.75 × 89,544.87
  4. Step 4: Simplify right side
    279,084.11x = 37,486,056,549.29
  5. Step 5: Solve for x
    x = 37,486,056,549.29/279,084.11
  6. Step 6: Final answer
    x = 134,318.14

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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.