Home / 274,576.50-412,155.89-243,190.31

Finding the Fourth Proportional to 274,576.50, 412,155.89 and 243,190.31

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Solution

The fourth proportional to 274,576.50, 412,155.89 and 243,190.31 is: 365,043.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,576.50 : 412,155.89 = 243,190.31 : x
  2. Step 2: Convert to fraction form
    274,576.50/412,155.89 = 243,190.31/x
  3. Step 3: Cross multiply
    274,576.50x = 412,155.89 × 243,190.31
  4. Step 4: Simplify right side
    274,576.50x = 100,232,318,657.43
  5. Step 5: Solve for x
    x = 100,232,318,657.43/274,576.50
  6. Step 6: Final answer
    x = 365,043.33

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1.5x scale

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.