Home / 226,379.18-312,188.94-148,717.65

Finding the Fourth Proportional to 226,379.18, 312,188.94 and 148,717.65

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Solution

The fourth proportional to 226,379.18, 312,188.94 and 148,717.65 is: 205,089.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,379.18 : 312,188.94 = 148,717.65 : x
  2. Step 2: Convert to fraction form
    226,379.18/312,188.94 = 148,717.65/x
  3. Step 3: Cross multiply
    226,379.18x = 312,188.94 × 148,717.65
  4. Step 4: Simplify right side
    226,379.18x = 46,428,005,512.79
  5. Step 5: Solve for x
    x = 46,428,005,512.79/226,379.18
  6. Step 6: Final answer
    x = 205,089.56

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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.