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Finding the Fourth Proportional to 500,186.62, 750,399.28 and 163,227.89

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Solution

The fourth proportional to 500,186.62, 750,399.28 and 163,227.89 is: 244,880.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,186.62 : 750,399.28 = 163,227.89 : x
  2. Step 2: Convert to fraction form
    500,186.62/750,399.28 = 163,227.89/x
  3. Step 3: Cross multiply
    500,186.62x = 750,399.28 × 163,227.89
  4. Step 4: Simplify right side
    500,186.62x = 122,486,092,599.85
  5. Step 5: Solve for x
    x = 122,486,092,599.85/500,186.62
  6. Step 6: Final answer
    x = 244,880.79

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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.