Home / 272,115.15-408,227.40-228,047.10

Finding the Fourth Proportional to 272,115.15, 408,227.40 and 228,047.10

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Solution

The fourth proportional to 272,115.15, 408,227.40 and 228,047.10 is: 342,116.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,115.15 : 408,227.40 = 228,047.10 : x
  2. Step 2: Convert to fraction form
    272,115.15/408,227.40 = 228,047.10/x
  3. Step 3: Cross multiply
    272,115.15x = 408,227.40 × 228,047.10
  4. Step 4: Simplify right side
    272,115.15x = 93,095,074,710.54
  5. Step 5: Solve for x
    x = 93,095,074,710.54/272,115.15
  6. Step 6: Final answer
    x = 342,116.47

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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.