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Finding the Fourth Proportional to 367,600.15, 551,400.23 and 130,950.55

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Solution

The fourth proportional to 367,600.15, 551,400.23 and 130,950.55 is: 196,425.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,600.15 : 551,400.23 = 130,950.55 : x
  2. Step 2: Convert to fraction form
    367,600.15/551,400.23 = 130,950.55/x
  3. Step 3: Cross multiply
    367,600.15x = 551,400.23 × 130,950.55
  4. Step 4: Simplify right side
    367,600.15x = 72,206,162,733.87
  5. Step 5: Solve for x
    x = 72,206,162,733.87/367,600.15
  6. Step 6: Final answer
    x = 196,425.83

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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.