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Finding the Fourth Proportional to 381,165.80, 526,626.63 and 324,404.96

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Solution

The fourth proportional to 381,165.80, 526,626.63 and 324,404.96 is: 448,204.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,165.80 : 526,626.63 = 324,404.96 : x
  2. Step 2: Convert to fraction form
    381,165.80/526,626.63 = 324,404.96/x
  3. Step 3: Cross multiply
    381,165.80x = 526,626.63 × 324,404.96
  4. Step 4: Simplify right side
    381,165.80x = 170,840,288,206.95
  5. Step 5: Solve for x
    x = 170,840,288,206.95/381,165.80
  6. Step 6: Final answer
    x = 448,204.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.