Home / 306,229.12-458,744.64-200,726.08

Finding the Fourth Proportional to 306,229.12, 458,744.64 and 200,726.08

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Solution

The fourth proportional to 306,229.12, 458,744.64 and 200,726.08 is: 300,696.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,229.12 : 458,744.64 = 200,726.08 : x
  2. Step 2: Convert to fraction form
    306,229.12/458,744.64 = 200,726.08/x
  3. Step 3: Cross multiply
    306,229.12x = 458,744.64 × 200,726.08
  4. Step 4: Simplify right side
    306,229.12x = 92,082,013,308.21
  5. Step 5: Solve for x
    x = 92,082,013,308.21/306,229.12
  6. Step 6: Final answer
    x = 300,696.46

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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.