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Finding the Fourth Proportional to 232,366.48, 320,664.85 and 130,391.71

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Solution

The fourth proportional to 232,366.48, 320,664.85 and 130,391.71 is: 179,940.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,366.48 : 320,664.85 = 130,391.71 : x
  2. Step 2: Convert to fraction form
    232,366.48/320,664.85 = 130,391.71/x
  3. Step 3: Cross multiply
    232,366.48x = 320,664.85 × 130,391.71
  4. Step 4: Simplify right side
    232,366.48x = 41,812,037,000.75
  5. Step 5: Solve for x
    x = 41,812,037,000.75/232,366.48
  6. Step 6: Final answer
    x = 179,940.06

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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.