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Finding the Fourth Proportional to 443,751.35, 665,238.23 and 266,328.95

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Solution

The fourth proportional to 443,751.35, 665,238.23 and 266,328.95 is: 399,260.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,751.35 : 665,238.23 = 266,328.95 : x
  2. Step 2: Convert to fraction form
    443,751.35/665,238.23 = 266,328.95/x
  3. Step 3: Cross multiply
    443,751.35x = 665,238.23 × 266,328.95
  4. Step 4: Simplify right side
    443,751.35x = 177,172,197,964.11
  5. Step 5: Solve for x
    x = 177,172,197,964.11/443,751.35
  6. Step 6: Final answer
    x = 399,260.08

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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.