Home / 347,933.61-480,160.17-331,990.38

Finding the Fourth Proportional to 347,933.61, 480,160.17 and 331,990.38

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Solution

The fourth proportional to 347,933.61, 480,160.17 and 331,990.38 is: 458,157.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,933.61 : 480,160.17 = 331,990.38 : x
  2. Step 2: Convert to fraction form
    347,933.61/480,160.17 = 331,990.38/x
  3. Step 3: Cross multiply
    347,933.61x = 480,160.17 × 331,990.38
  4. Step 4: Simplify right side
    347,933.61x = 159,408,557,299.17
  5. Step 5: Solve for x
    x = 159,408,557,299.17/347,933.61
  6. Step 6: Final answer
    x = 458,157.97

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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.