Home / 315,252.48-471,769.20-196,979.52

Finding the Fourth Proportional to 315,252.48, 471,769.20 and 196,979.52

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Solution

The fourth proportional to 315,252.48, 471,769.20 and 196,979.52 is: 294,776.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,252.48 : 471,769.20 = 196,979.52 : x
  2. Step 2: Convert to fraction form
    315,252.48/471,769.20 = 196,979.52/x
  3. Step 3: Cross multiply
    315,252.48x = 471,769.20 × 196,979.52
  4. Step 4: Simplify right side
    315,252.48x = 92,928,870,566.78
  5. Step 5: Solve for x
    x = 92,928,870,566.78/315,252.48
  6. Step 6: Final answer
    x = 294,776.02

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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.