Home / 257,609.28-355,465.92-148,717.44

Finding the Fourth Proportional to 257,609.28, 355,465.92 and 148,717.44

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Solution

The fourth proportional to 257,609.28, 355,465.92 and 148,717.44 is: 205,209.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,609.28 : 355,465.92 = 148,717.44 : x
  2. Step 2: Convert to fraction form
    257,609.28/355,465.92 = 148,717.44/x
  3. Step 3: Cross multiply
    257,609.28x = 355,465.92 × 148,717.44
  4. Step 4: Simplify right side
    257,609.28x = 52,863,981,629.64
  5. Step 5: Solve for x
    x = 52,863,981,629.64/257,609.28
  6. Step 6: Final answer
    x = 205,209.93

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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.