Home / 492,280.12-738,416.94-137,296

Finding the Fourth Proportional to 492,280.12, 738,416.94 and 137,296

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Solution

The fourth proportional to 492,280.12, 738,416.94 and 137,296 is: 205,943.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,280.12 : 738,416.94 = 137,296 : x
  2. Step 2: Convert to fraction form
    492,280.12/738,416.94 = 137,296/x
  3. Step 3: Cross multiply
    492,280.12x = 738,416.94 × 137,296
  4. Step 4: Simplify right side
    492,280.12x = 101,381,692,194.24
  5. Step 5: Solve for x
    x = 101,381,692,194.24/492,280.12
  6. Step 6: Final answer
    x = 205,943.10

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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.