Home / 200,219.89-276,432.41-178,672.62

Finding the Fourth Proportional to 200,219.89, 276,432.41 and 178,672.62

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Solution

The fourth proportional to 200,219.89, 276,432.41 and 178,672.62 is: 246,683.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,219.89 : 276,432.41 = 178,672.62 : x
  2. Step 2: Convert to fraction form
    200,219.89/276,432.41 = 178,672.62/x
  3. Step 3: Cross multiply
    200,219.89x = 276,432.41 × 178,672.62
  4. Step 4: Simplify right side
    200,219.89x = 49,390,902,947.61
  5. Step 5: Solve for x
    x = 49,390,902,947.61/200,219.89
  6. Step 6: Final answer
    x = 246,683.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.