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Finding the Fourth Proportional to 226,647.06, 312,773.26 and 126,045.06

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Solution

The fourth proportional to 226,647.06, 312,773.26 and 126,045.06 is: 173,942.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,647.06 : 312,773.26 = 126,045.06 : x
  2. Step 2: Convert to fraction form
    226,647.06/312,773.26 = 126,045.06/x
  3. Step 3: Cross multiply
    226,647.06x = 312,773.26 × 126,045.06
  4. Step 4: Simplify right side
    226,647.06x = 39,423,524,323.10
  5. Step 5: Solve for x
    x = 39,423,524,323.10/226,647.06
  6. Step 6: Final answer
    x = 173,942.36

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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.