Home / 485,269.20-727,709.40-169,563.60

Finding the Fourth Proportional to 485,269.20, 727,709.40 and 169,563.60

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Solution

The fourth proportional to 485,269.20, 727,709.40 and 169,563.60 is: 254,277.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,269.20 : 727,709.40 = 169,563.60 : x
  2. Step 2: Convert to fraction form
    485,269.20/727,709.40 = 169,563.60/x
  3. Step 3: Cross multiply
    485,269.20x = 727,709.40 × 169,563.60
  4. Step 4: Simplify right side
    485,269.20x = 123,393,025,617.84
  5. Step 5: Solve for x
    x = 123,393,025,617.84/485,269.20
  6. Step 6: Final answer
    x = 254,277.47

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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.