Home / 258,082.20-386,345.70-230,088.60

Finding the Fourth Proportional to 258,082.20, 386,345.70 and 230,088.60

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Solution

The fourth proportional to 258,082.20, 386,345.70 and 230,088.60 is: 344,439.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,082.20 : 386,345.70 = 230,088.60 : x
  2. Step 2: Convert to fraction form
    258,082.20/386,345.70 = 230,088.60/x
  3. Step 3: Cross multiply
    258,082.20x = 386,345.70 × 230,088.60
  4. Step 4: Simplify right side
    258,082.20x = 88,893,741,229.02
  5. Step 5: Solve for x
    x = 88,893,741,229.02/258,082.20
  6. Step 6: Final answer
    x = 344,439.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.