Home / 272,544.20-408,816.30-197,311.40

Finding the Fourth Proportional to 272,544.20, 408,816.30 and 197,311.40

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Solution

The fourth proportional to 272,544.20, 408,816.30 and 197,311.40 is: 295,967.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,544.20 : 408,816.30 = 197,311.40 : x
  2. Step 2: Convert to fraction form
    272,544.20/408,816.30 = 197,311.40/x
  3. Step 3: Cross multiply
    272,544.20x = 408,816.30 × 197,311.40
  4. Step 4: Simplify right side
    272,544.20x = 80,664,116,495.82
  5. Step 5: Solve for x
    x = 80,664,116,495.82/272,544.20
  6. Step 6: Final answer
    x = 295,967.10

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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.