Home / 492,639-739,235.16-268,015.11

Finding the Fourth Proportional to 492,639, 739,235.16 and 268,015.11

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Solution

The fourth proportional to 492,639, 739,235.16 and 268,015.11 is: 402,173.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,639 : 739,235.16 = 268,015.11 : x
  2. Step 2: Convert to fraction form
    492,639/739,235.16 = 268,015.11/x
  3. Step 3: Cross multiply
    492,639x = 739,235.16 × 268,015.11
  4. Step 4: Simplify right side
    492,639x = 198,126,192,723.27
  5. Step 5: Solve for x
    x = 198,126,192,723.27/492,639
  6. Step 6: Final answer
    x = 402,173.18

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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.