Home / 268,436.65-401,778.78-197,340.46

Finding the Fourth Proportional to 268,436.65, 401,778.78 and 197,340.46

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Solution

The fourth proportional to 268,436.65, 401,778.78 and 197,340.46 is: 295,366.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,436.65 : 401,778.78 = 197,340.46 : x
  2. Step 2: Convert to fraction form
    268,436.65/401,778.78 = 197,340.46/x
  3. Step 3: Cross multiply
    268,436.65x = 401,778.78 × 197,340.46
  4. Step 4: Simplify right side
    268,436.65x = 79,287,207,254.54
  5. Step 5: Solve for x
    x = 79,287,207,254.54/268,436.65
  6. Step 6: Final answer
    x = 295,366.56

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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.