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Finding the Fourth Proportional to 250,175.16, 375,332.94 and 100,520.55

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Solution

The fourth proportional to 250,175.16, 375,332.94 and 100,520.55 is: 150,809.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,175.16 : 375,332.94 = 100,520.55 : x
  2. Step 2: Convert to fraction form
    250,175.16/375,332.94 = 100,520.55/x
  3. Step 3: Cross multiply
    250,175.16x = 375,332.94 × 100,520.55
  4. Step 4: Simplify right side
    250,175.16x = 37,728,673,561.92
  5. Step 5: Solve for x
    x = 37,728,673,561.92/250,175.16
  6. Step 6: Final answer
    x = 150,809.03

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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.