Home / 282,441.03-423,660.12-132,680.53

Finding the Fourth Proportional to 282,441.03, 423,660.12 and 132,680.53

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Solution

The fourth proportional to 282,441.03, 423,660.12 and 132,680.53 is: 199,020.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,441.03 : 423,660.12 = 132,680.53 : x
  2. Step 2: Convert to fraction form
    282,441.03/423,660.12 = 132,680.53/x
  3. Step 3: Cross multiply
    282,441.03x = 423,660.12 × 132,680.53
  4. Step 4: Simplify right side
    282,441.03x = 56,211,449,261.46
  5. Step 5: Solve for x
    x = 56,211,449,261.46/282,441.03
  6. Step 6: Final answer
    x = 199,020.13

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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.