Home / 234,228.30-323,222.82-137,418.69

Finding the Fourth Proportional to 234,228.30, 323,222.82 and 137,418.69

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Solution

The fourth proportional to 234,228.30, 323,222.82 and 137,418.69 is: 189,630.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,228.30 : 323,222.82 = 137,418.69 : x
  2. Step 2: Convert to fraction form
    234,228.30/323,222.82 = 137,418.69/x
  3. Step 3: Cross multiply
    234,228.30x = 323,222.82 × 137,418.69
  4. Step 4: Simplify right side
    234,228.30x = 44,416,856,502.51
  5. Step 5: Solve for x
    x = 44,416,856,502.51/234,228.30
  6. Step 6: Final answer
    x = 189,630.61

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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.