Home / 257,938.20-355,951.80-144,758.52

Finding the Fourth Proportional to 257,938.20, 355,951.80 and 144,758.52

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Solution

The fourth proportional to 257,938.20, 355,951.80 and 144,758.52 is: 199,765.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,938.20 : 355,951.80 = 144,758.52 : x
  2. Step 2: Convert to fraction form
    257,938.20/355,951.80 = 144,758.52/x
  3. Step 3: Cross multiply
    257,938.20x = 355,951.80 × 144,758.52
  4. Step 4: Simplify right side
    257,938.20x = 51,527,055,759.34
  5. Step 5: Solve for x
    x = 51,527,055,759.34/257,938.20
  6. Step 6: Final answer
    x = 199,765.12

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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.