Home / 232,428.27-320,735.12-130,441.71

Finding the Fourth Proportional to 232,428.27, 320,735.12 and 130,441.71

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Solution

The fourth proportional to 232,428.27, 320,735.12 and 130,441.71 is: 180,000.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,428.27 : 320,735.12 = 130,441.71 : x
  2. Step 2: Convert to fraction form
    232,428.27/320,735.12 = 130,441.71/x
  3. Step 3: Cross multiply
    232,428.27x = 320,735.12 × 130,441.71
  4. Step 4: Simplify right side
    232,428.27x = 41,837,236,857.65
  5. Step 5: Solve for x
    x = 41,837,236,857.65/232,428.27
  6. Step 6: Final answer
    x = 180,000.64

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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.