Home / 492,724.35-739,084.82-118,747.35

Finding the Fourth Proportional to 492,724.35, 739,084.82 and 118,747.35

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Solution

The fourth proportional to 492,724.35, 739,084.82 and 118,747.35 is: 178,120.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,724.35 : 739,084.82 = 118,747.35 : x
  2. Step 2: Convert to fraction form
    492,724.35/739,084.82 = 118,747.35/x
  3. Step 3: Cross multiply
    492,724.35x = 739,084.82 × 118,747.35
  4. Step 4: Simplify right side
    492,724.35x = 87,764,363,206.49
  5. Step 5: Solve for x
    x = 87,764,363,206.49/492,724.35
  6. Step 6: Final answer
    x = 178,120.61

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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.