Home / 288,711.24-433,121.48-130,952.04

Finding the Fourth Proportional to 288,711.24, 433,121.48 and 130,952.04

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Solution

The fourth proportional to 288,711.24, 433,121.48 and 130,952.04 is: 196,452.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,711.24 : 433,121.48 = 130,952.04 : x
  2. Step 2: Convert to fraction form
    288,711.24/433,121.48 = 130,952.04/x
  3. Step 3: Cross multiply
    288,711.24x = 433,121.48 × 130,952.04
  4. Step 4: Simplify right side
    288,711.24x = 56,718,141,373.82
  5. Step 5: Solve for x
    x = 56,718,141,373.82/288,711.24
  6. Step 6: Final answer
    x = 196,452.83

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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.