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Finding the Fourth Proportional to 234,856.63, 324,101.10 and 127,426.41

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Solution

The fourth proportional to 234,856.63, 324,101.10 and 127,426.41 is: 175,847.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,856.63 : 324,101.10 = 127,426.41 : x
  2. Step 2: Convert to fraction form
    234,856.63/324,101.10 = 127,426.41/x
  3. Step 3: Cross multiply
    234,856.63x = 324,101.10 × 127,426.41
  4. Step 4: Simplify right side
    234,856.63x = 41,299,039,183.24
  5. Step 5: Solve for x
    x = 41,299,039,183.24/234,856.63
  6. Step 6: Final answer
    x = 175,847.87

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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.