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Finding the Fourth Proportional to 314,655.30, 471,458.07 and 220,993.38

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Solution

The fourth proportional to 314,655.30, 471,458.07 and 220,993.38 is: 331,121.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,655.30 : 471,458.07 = 220,993.38 : x
  2. Step 2: Convert to fraction form
    314,655.30/471,458.07 = 220,993.38/x
  3. Step 3: Cross multiply
    314,655.30x = 471,458.07 × 220,993.38
  4. Step 4: Simplify right side
    314,655.30x = 104,189,112,417.58
  5. Step 5: Solve for x
    x = 104,189,112,417.58/314,655.30
  6. Step 6: Final answer
    x = 331,121.43

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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.