Home / 347,402.18-479,034.31-226,318.93

Finding the Fourth Proportional to 347,402.18, 479,034.31 and 226,318.93

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Solution

The fourth proportional to 347,402.18, 479,034.31 and 226,318.93 is: 312,072.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,402.18 : 479,034.31 = 226,318.93 : x
  2. Step 2: Convert to fraction form
    347,402.18/479,034.31 = 226,318.93/x
  3. Step 3: Cross multiply
    347,402.18x = 479,034.31 × 226,318.93
  4. Step 4: Simplify right side
    347,402.18x = 108,414,529,669.47
  5. Step 5: Solve for x
    x = 108,414,529,669.47/347,402.18
  6. Step 6: Final answer
    x = 312,072.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.