Home / 243,040.20-364,560.30-207,610.80

Finding the Fourth Proportional to 243,040.20, 364,560.30 and 207,610.80

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Solution

The fourth proportional to 243,040.20, 364,560.30 and 207,610.80 is: 311,416.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,040.20 : 364,560.30 = 207,610.80 : x
  2. Step 2: Convert to fraction form
    243,040.20/364,560.30 = 207,610.80/x
  3. Step 3: Cross multiply
    243,040.20x = 364,560.30 × 207,610.80
  4. Step 4: Simplify right side
    243,040.20x = 75,686,655,531.24
  5. Step 5: Solve for x
    x = 75,686,655,531.24/243,040.20
  6. Step 6: Final answer
    x = 311,416.20

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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.