Home / 272,025.83-408,037.93-72,346.05

Finding the Fourth Proportional to 272,025.83, 408,037.93 and 72,346.05

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Solution

The fourth proportional to 272,025.83, 408,037.93 and 72,346.05 is: 108,518.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,025.83 : 408,037.93 = 72,346.05 : x
  2. Step 2: Convert to fraction form
    272,025.83/408,037.93 = 72,346.05/x
  3. Step 3: Cross multiply
    272,025.83x = 408,037.93 × 72,346.05
  4. Step 4: Simplify right side
    272,025.83x = 29,519,932,485.68
  5. Step 5: Solve for x
    x = 29,519,932,485.68/272,025.83
  6. Step 6: Final answer
    x = 108,518.86

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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.