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Finding the Fourth Proportional to 242,816.40, 363,835.80 and 153,910.80

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Solution

The fourth proportional to 242,816.40, 363,835.80 and 153,910.80 is: 230,619.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,816.40 : 363,835.80 = 153,910.80 : x
  2. Step 2: Convert to fraction form
    242,816.40/363,835.80 = 153,910.80/x
  3. Step 3: Cross multiply
    242,816.40x = 363,835.80 × 153,910.80
  4. Step 4: Simplify right side
    242,816.40x = 55,998,259,046.64
  5. Step 5: Solve for x
    x = 55,998,259,046.64/242,816.40
  6. Step 6: Final answer
    x = 230,619.76

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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.