Home / 284,642.04-426,947.68-144,397.04

Finding the Fourth Proportional to 284,642.04, 426,947.68 and 144,397.04

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Solution

The fourth proportional to 284,642.04, 426,947.68 and 144,397.04 is: 216,587.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,642.04 : 426,947.68 = 144,397.04 : x
  2. Step 2: Convert to fraction form
    284,642.04/426,947.68 = 144,397.04/x
  3. Step 3: Cross multiply
    284,642.04x = 426,947.68 × 144,397.04
  4. Step 4: Simplify right side
    284,642.04x = 61,649,981,226.87
  5. Step 5: Solve for x
    x = 61,649,981,226.87/284,642.04
  6. Step 6: Final answer
    x = 216,587.76

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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.