Home / 311,288.40-466,184.16-177,763.92

Finding the Fourth Proportional to 311,288.40, 466,184.16 and 177,763.92

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Solution

The fourth proportional to 311,288.40, 466,184.16 and 177,763.92 is: 266,218.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,288.40 : 466,184.16 = 177,763.92 : x
  2. Step 2: Convert to fraction form
    311,288.40/466,184.16 = 177,763.92/x
  3. Step 3: Cross multiply
    311,288.40x = 466,184.16 × 177,763.92
  4. Step 4: Simplify right side
    311,288.40x = 82,870,723,723.51
  5. Step 5: Solve for x
    x = 82,870,723,723.51/311,288.40
  6. Step 6: Final answer
    x = 266,218.48

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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.