Home / 226,411.40-312,350.82-141,380.84

Finding the Fourth Proportional to 226,411.40, 312,350.82 and 141,380.84

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Solution

The fourth proportional to 226,411.40, 312,350.82 and 141,380.84 is: 195,045.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,411.40 : 312,350.82 = 141,380.84 : x
  2. Step 2: Convert to fraction form
    226,411.40/312,350.82 = 141,380.84/x
  3. Step 3: Cross multiply
    226,411.40x = 312,350.82 × 141,380.84
  4. Step 4: Simplify right side
    226,411.40x = 44,160,421,306.29
  5. Step 5: Solve for x
    x = 44,160,421,306.29/226,411.40
  6. Step 6: Final answer
    x = 195,045.04

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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.