Home / 272,110.20-408,165.30-197,071.80

Finding the Fourth Proportional to 272,110.20, 408,165.30 and 197,071.80

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Solution

The fourth proportional to 272,110.20, 408,165.30 and 197,071.80 is: 295,607.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,110.20 : 408,165.30 = 197,071.80 : x
  2. Step 2: Convert to fraction form
    272,110.20/408,165.30 = 197,071.80/x
  3. Step 3: Cross multiply
    272,110.20x = 408,165.30 × 197,071.80
  4. Step 4: Simplify right side
    272,110.20x = 80,437,870,368.54
  5. Step 5: Solve for x
    x = 80,437,870,368.54/272,110.20
  6. Step 6: Final answer
    x = 295,607.70

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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.