Home / 242,867.40-363,863.70-149,263.80

Finding the Fourth Proportional to 242,867.40, 363,863.70 and 149,263.80

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Solution

The fourth proportional to 242,867.40, 363,863.70 and 149,263.80 is: 223,626.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,867.40 : 363,863.70 = 149,263.80 : x
  2. Step 2: Convert to fraction form
    242,867.40/363,863.70 = 149,263.80/x
  3. Step 3: Cross multiply
    242,867.40x = 363,863.70 × 149,263.80
  4. Step 4: Simplify right side
    242,867.40x = 54,311,678,544.06
  5. Step 5: Solve for x
    x = 54,311,678,544.06/242,867.40
  6. Step 6: Final answer
    x = 223,626.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.