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Finding the Fourth Proportional to 381,522.29, 526,525.61 and 220,384.13

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Solution

The fourth proportional to 381,522.29, 526,525.61 and 220,384.13 is: 304,144.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,522.29 : 526,525.61 = 220,384.13 : x
  2. Step 2: Convert to fraction form
    381,522.29/526,525.61 = 220,384.13/x
  3. Step 3: Cross multiply
    381,522.29x = 526,525.61 × 220,384.13
  4. Step 4: Simplify right side
    381,522.29x = 116,037,884,748.02
  5. Step 5: Solve for x
    x = 116,037,884,748.02/381,522.29
  6. Step 6: Final answer
    x = 304,144.45

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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.