Home / 272,227,387.20-408,341,080.80-238,215,163.20

Finding the Fourth Proportional to 272,227,387.20, 408,341,080.80 and 238,215,163.20

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Solution

The fourth proportional to 272,227,387.20, 408,341,080.80 and 238,215,163.20 is: 357,322,744.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,227,387.20 : 408,341,080.80 = 238,215,163.20 : x
  2. Step 2: Convert to fraction form
    272,227,387.20/408,341,080.80 = 238,215,163.20/x
  3. Step 3: Cross multiply
    272,227,387.20x = 408,341,080.80 × 238,215,163.20
  4. Step 4: Simplify right side
    272,227,387.20x = 97,273,037,204,036,384
  5. Step 5: Solve for x
    x = 97,273,037,204,036,384/272,227,387.20
  6. Step 6: Final answer
    x = 357,322,744.80

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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.