Home / 246,028.20-339,517.35-138,632.81

Finding the Fourth Proportional to 246,028.20, 339,517.35 and 138,632.81

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Solution

The fourth proportional to 246,028.20, 339,517.35 and 138,632.81 is: 191,312.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,028.20 : 339,517.35 = 138,632.81 : x
  2. Step 2: Convert to fraction form
    246,028.20/339,517.35 = 138,632.81/x
  3. Step 3: Cross multiply
    246,028.20x = 339,517.35 × 138,632.81
  4. Step 4: Simplify right side
    246,028.20x = 47,068,242,576.67
  5. Step 5: Solve for x
    x = 47,068,242,576.67/246,028.20
  6. Step 6: Final answer
    x = 191,312.39

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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.