Home / 263,428.10-363,432.93-167,912.90

Finding the Fourth Proportional to 263,428.10, 363,432.93 and 167,912.90

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Solution

The fourth proportional to 263,428.10, 363,432.93 and 167,912.90 is: 231,657.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,428.10 : 363,432.93 = 167,912.90 : x
  2. Step 2: Convert to fraction form
    263,428.10/363,432.93 = 167,912.90/x
  3. Step 3: Cross multiply
    263,428.10x = 363,432.93 × 167,912.90
  4. Step 4: Simplify right side
    263,428.10x = 61,025,077,231.80
  5. Step 5: Solve for x
    x = 61,025,077,231.80/263,428.10
  6. Step 6: Final answer
    x = 231,657.43

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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.