Home / 272,500.60-409,442.10-242,087.80

Finding the Fourth Proportional to 272,500.60, 409,442.10 and 242,087.80

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Solution

The fourth proportional to 272,500.60, 409,442.10 and 242,087.80 is: 363,745.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,500.60 : 409,442.10 = 242,087.80 : x
  2. Step 2: Convert to fraction form
    272,500.60/409,442.10 = 242,087.80/x
  3. Step 3: Cross multiply
    272,500.60x = 409,442.10 × 242,087.80
  4. Step 4: Simplify right side
    272,500.60x = 99,120,937,216.38
  5. Step 5: Solve for x
    x = 99,120,937,216.38/272,500.60
  6. Step 6: Final answer
    x = 363,745.76

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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.