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Finding the Fourth Proportional to 503,500.41, 755,249.66 and 148,763.61

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Solution

The fourth proportional to 503,500.41, 755,249.66 and 148,763.61 is: 223,145.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,500.41 : 755,249.66 = 148,763.61 : x
  2. Step 2: Convert to fraction form
    503,500.41/755,249.66 = 148,763.61/x
  3. Step 3: Cross multiply
    503,500.41x = 755,249.66 × 148,763.61
  4. Step 4: Simplify right side
    503,500.41x = 112,353,665,872.87
  5. Step 5: Solve for x
    x = 112,353,665,872.87/503,500.41
  6. Step 6: Final answer
    x = 223,145.13

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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.