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Finding the Fourth Proportional to 226,051.65, 311,930.67 and 134,155.08

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Solution

The fourth proportional to 226,051.65, 311,930.67 and 134,155.08 is: 185,121.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,051.65 : 311,930.67 = 134,155.08 : x
  2. Step 2: Convert to fraction form
    226,051.65/311,930.67 = 134,155.08/x
  3. Step 3: Cross multiply
    226,051.65x = 311,930.67 × 134,155.08
  4. Step 4: Simplify right side
    226,051.65x = 41,847,083,988.30
  5. Step 5: Solve for x
    x = 41,847,083,988.30/226,051.65
  6. Step 6: Final answer
    x = 185,121.78

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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.