Home / 226,390.60-339,541.98-215,151.40

Finding the Fourth Proportional to 226,390.60, 339,541.98 and 215,151.40

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Solution

The fourth proportional to 226,390.60, 339,541.98 and 215,151.40 is: 322,685.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,390.60 : 339,541.98 = 215,151.40 : x
  2. Step 2: Convert to fraction form
    226,390.60/339,541.98 = 215,151.40/x
  3. Step 3: Cross multiply
    226,390.60x = 339,541.98 × 215,151.40
  4. Step 4: Simplify right side
    226,390.60x = 73,052,932,355.77
  5. Step 5: Solve for x
    x = 73,052,932,355.77/226,390.60
  6. Step 6: Final answer
    x = 322,685.36

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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.