Home / 354,629.20-531,943.80-242,654.80

Finding the Fourth Proportional to 354,629.20, 531,943.80 and 242,654.80

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Solution

The fourth proportional to 354,629.20, 531,943.80 and 242,654.80 is: 363,982.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,629.20 : 531,943.80 = 242,654.80 : x
  2. Step 2: Convert to fraction form
    354,629.20/531,943.80 = 242,654.80/x
  3. Step 3: Cross multiply
    354,629.20x = 531,943.80 × 242,654.80
  4. Step 4: Simplify right side
    354,629.20x = 129,078,716,400.24
  5. Step 5: Solve for x
    x = 129,078,716,400.24/354,629.20
  6. Step 6: Final answer
    x = 363,982.20

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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.