Home / 874,149.38-1,311,298.33-243,063.19

Finding the Fourth Proportional to 874,149.38, 1,311,298.33 and 243,063.19

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Solution

The fourth proportional to 874,149.38, 1,311,298.33 and 243,063.19 is: 364,615.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,149.38 : 1,311,298.33 = 243,063.19 : x
  2. Step 2: Convert to fraction form
    874,149.38/1,311,298.33 = 243,063.19/x
  3. Step 3: Cross multiply
    874,149.38x = 1,311,298.33 × 243,063.19
  4. Step 4: Simplify right side
    874,149.38x = 318,728,352,157.06
  5. Step 5: Solve for x
    x = 318,728,352,157.06/874,149.38
  6. Step 6: Final answer
    x = 364,615.43

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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.