Home / 282,799.28-424,189.08-72,439.04

Finding the Fourth Proportional to 282,799.28, 424,189.08 and 72,439.04

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Solution

The fourth proportional to 282,799.28, 424,189.08 and 72,439.04 is: 108,656.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,799.28 : 424,189.08 = 72,439.04 : x
  2. Step 2: Convert to fraction form
    282,799.28/424,189.08 = 72,439.04/x
  3. Step 3: Cross multiply
    282,799.28x = 424,189.08 × 72,439.04
  4. Step 4: Simplify right side
    282,799.28x = 30,727,849,733.68
  5. Step 5: Solve for x
    x = 30,727,849,733.68/282,799.28
  6. Step 6: Final answer
    x = 108,656.04

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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.