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Finding the Fourth Proportional to 381,244.36, 526,061.46 and 220,073.80

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Solution

The fourth proportional to 381,244.36, 526,061.46 and 220,073.80 is: 303,669.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,244.36 : 526,061.46 = 220,073.80 : x
  2. Step 2: Convert to fraction form
    381,244.36/526,061.46 = 220,073.80/x
  3. Step 3: Cross multiply
    381,244.36x = 526,061.46 × 220,073.80
  4. Step 4: Simplify right side
    381,244.36x = 115,772,344,535.75
  5. Step 5: Solve for x
    x = 115,772,344,535.75/381,244.36
  6. Step 6: Final answer
    x = 303,669.66

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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.