Home / 226,412.40-312,352.20-141,381.84

Finding the Fourth Proportional to 226,412.40, 312,352.20 and 141,381.84

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Solution

The fourth proportional to 226,412.40, 312,352.20 and 141,381.84 is: 195,046.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,412.40 : 312,352.20 = 141,381.84 : x
  2. Step 2: Convert to fraction form
    226,412.40/312,352.20 = 141,381.84/x
  3. Step 3: Cross multiply
    226,412.40x = 312,352.20 × 141,381.84
  4. Step 4: Simplify right side
    226,412.40x = 44,160,928,764.05
  5. Step 5: Solve for x
    x = 44,160,928,764.05/226,412.40
  6. Step 6: Final answer
    x = 195,046.42

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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.