Home / 272,360.20-408,194.70-242,638.60

Finding the Fourth Proportional to 272,360.20, 408,194.70 and 242,638.60

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Solution

The fourth proportional to 272,360.20, 408,194.70 and 242,638.60 is: 363,650.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,360.20 : 408,194.70 = 242,638.60 : x
  2. Step 2: Convert to fraction form
    272,360.20/408,194.70 = 242,638.60/x
  3. Step 3: Cross multiply
    272,360.20x = 408,194.70 × 242,638.60
  4. Step 4: Simplify right side
    272,360.20x = 99,043,790,535.42
  5. Step 5: Solve for x
    x = 99,043,790,535.42/272,360.20
  6. Step 6: Final answer
    x = 363,650.01

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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.