Home / 257,587.20-355,479.57-150,139.89

Finding the Fourth Proportional to 257,587.20, 355,479.57 and 150,139.89

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Solution

The fourth proportional to 257,587.20, 355,479.57 and 150,139.89 is: 207,198.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,587.20 : 355,479.57 = 150,139.89 : x
  2. Step 2: Convert to fraction form
    257,587.20/355,479.57 = 150,139.89/x
  3. Step 3: Cross multiply
    257,587.20x = 355,479.57 × 150,139.89
  4. Step 4: Simplify right side
    257,587.20x = 53,371,663,537.05
  5. Step 5: Solve for x
    x = 53,371,663,537.05/257,587.20
  6. Step 6: Final answer
    x = 207,198.43

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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.