Home / 257,799.38-355,764.42-144,622.13

Finding the Fourth Proportional to 257,799.38, 355,764.42 and 144,622.13

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Solution

The fourth proportional to 257,799.38, 355,764.42 and 144,622.13 is: 199,579.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,799.38 : 355,764.42 = 144,622.13 : x
  2. Step 2: Convert to fraction form
    257,799.38/355,764.42 = 144,622.13/x
  3. Step 3: Cross multiply
    257,799.38x = 355,764.42 × 144,622.13
  4. Step 4: Simplify right side
    257,799.38x = 51,451,406,419.79
  5. Step 5: Solve for x
    x = 51,451,406,419.79/257,799.38
  6. Step 6: Final answer
    x = 199,579.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.