Home / 257,932.08-355,976.64-155,945.52

Finding the Fourth Proportional to 257,932.08, 355,976.64 and 155,945.52

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Solution

The fourth proportional to 257,932.08, 355,976.64 and 155,945.52 is: 215,223.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,932.08 : 355,976.64 = 155,945.52 : x
  2. Step 2: Convert to fraction form
    257,932.08/355,976.64 = 155,945.52/x
  3. Step 3: Cross multiply
    257,932.08x = 355,976.64 × 155,945.52
  4. Step 4: Simplify right side
    257,932.08x = 55,512,962,232.65
  5. Step 5: Solve for x
    x = 55,512,962,232.65/257,932.08
  6. Step 6: Final answer
    x = 215,223.18

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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.