Home / 443,988.24-666,150.14-266,618.90

Finding the Fourth Proportional to 443,988.24, 666,150.14 and 266,618.90

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Solution

The fourth proportional to 443,988.24, 666,150.14 and 266,618.90 is: 400,029.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,988.24 : 666,150.14 = 266,618.90 : x
  2. Step 2: Convert to fraction form
    443,988.24/666,150.14 = 266,618.90/x
  3. Step 3: Cross multiply
    443,988.24x = 666,150.14 × 266,618.90
  4. Step 4: Simplify right side
    443,988.24x = 177,608,217,561.65
  5. Step 5: Solve for x
    x = 177,608,217,561.65/443,988.24
  6. Step 6: Final answer
    x = 400,029.10

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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.