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Finding the Fourth Proportional to 250,275.25, 375,409.86 and 100,512.85

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Solution

The fourth proportional to 250,275.25, 375,409.86 and 100,512.85 is: 150,768.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,275.25 : 375,409.86 = 100,512.85 : x
  2. Step 2: Convert to fraction form
    250,275.25/375,409.86 = 100,512.85/x
  3. Step 3: Cross multiply
    250,275.25x = 375,409.86 × 100,512.85
  4. Step 4: Simplify right side
    250,275.25x = 37,733,514,946.70
  5. Step 5: Solve for x
    x = 37,733,514,946.70/250,275.25
  6. Step 6: Final answer
    x = 150,768.06

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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.