Home / 242,568.20-363,852.30-84,812.60

Finding the Fourth Proportional to 242,568.20, 363,852.30 and 84,812.60

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Solution

The fourth proportional to 242,568.20, 363,852.30 and 84,812.60 is: 127,218.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,568.20 : 363,852.30 = 84,812.60 : x
  2. Step 2: Convert to fraction form
    242,568.20/363,852.30 = 84,812.60/x
  3. Step 3: Cross multiply
    242,568.20x = 363,852.30 × 84,812.60
  4. Step 4: Simplify right side
    242,568.20x = 30,859,259,578.98
  5. Step 5: Solve for x
    x = 30,859,259,578.98/242,568.20
  6. Step 6: Final answer
    x = 127,218.90

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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.