Home / 331,143.18-456,431.04-234,221.82

Finding the Fourth Proportional to 331,143.18, 456,431.04 and 234,221.82

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Solution

The fourth proportional to 331,143.18, 456,431.04 and 234,221.82 is: 322,839.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,143.18 : 456,431.04 = 234,221.82 : x
  2. Step 2: Convert to fraction form
    331,143.18/456,431.04 = 234,221.82/x
  3. Step 3: Cross multiply
    331,143.18x = 456,431.04 × 234,221.82
  4. Step 4: Simplify right side
    331,143.18x = 106,906,108,893.29
  5. Step 5: Solve for x
    x = 106,906,108,893.29/331,143.18
  6. Step 6: Final answer
    x = 322,839.53

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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.