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Finding the Fourth Proportional to 226,554.50, 312,645.59 and 125,952.50

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Solution

The fourth proportional to 226,554.50, 312,645.59 and 125,952.50 is: 173,814.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,554.50 : 312,645.59 = 125,952.50 : x
  2. Step 2: Convert to fraction form
    226,554.50/312,645.59 = 125,952.50/x
  3. Step 3: Cross multiply
    226,554.50x = 312,645.59 × 125,952.50
  4. Step 4: Simplify right side
    226,554.50x = 39,378,493,674.48
  5. Step 5: Solve for x
    x = 39,378,493,674.48/226,554.50
  6. Step 6: Final answer
    x = 173,814.66

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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.