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Finding the Fourth Proportional to 171,037.90, 256,448.18 and 150,020.15

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Solution

The fourth proportional to 171,037.90, 256,448.18 and 150,020.15 is: 224,934.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,037.90 : 256,448.18 = 150,020.15 : x
  2. Step 2: Convert to fraction form
    171,037.90/256,448.18 = 150,020.15/x
  3. Step 3: Cross multiply
    171,037.90x = 256,448.18 × 150,020.15
  4. Step 4: Simplify right side
    171,037.90x = 38,472,393,148.59
  5. Step 5: Solve for x
    x = 38,472,393,148.59/171,037.90
  6. Step 6: Final answer
    x = 224,934.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.