Home / 492,724.10-739,280.55-193,153.70

Finding the Fourth Proportional to 492,724.10, 739,280.55 and 193,153.70

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Solution

The fourth proportional to 492,724.10, 739,280.55 and 193,153.70 is: 289,806.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,724.10 : 739,280.55 = 193,153.70 : x
  2. Step 2: Convert to fraction form
    492,724.10/739,280.55 = 193,153.70/x
  3. Step 3: Cross multiply
    492,724.10x = 739,280.55 × 193,153.70
  4. Step 4: Simplify right side
    492,724.10x = 142,794,773,570.54
  5. Step 5: Solve for x
    x = 142,794,773,570.54/492,724.10
  6. Step 6: Final answer
    x = 289,806.76

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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.