Home / 218,515.05-301,560.98-132,476.72

Finding the Fourth Proportional to 218,515.05, 301,560.98 and 132,476.72

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Solution

The fourth proportional to 218,515.05, 301,560.98 and 132,476.72 is: 182,824.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,515.05 : 301,560.98 = 132,476.72 : x
  2. Step 2: Convert to fraction form
    218,515.05/301,560.98 = 132,476.72/x
  3. Step 3: Cross multiply
    218,515.05x = 301,560.98 × 132,476.72
  4. Step 4: Simplify right side
    218,515.05x = 39,949,807,340.20
  5. Step 5: Solve for x
    x = 39,949,807,340.20/218,515.05
  6. Step 6: Final answer
    x = 182,824.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.