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Finding the Fourth Proportional to 400,258.56, 552,410.88 and 230,488.32

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Solution

The fourth proportional to 400,258.56, 552,410.88 and 230,488.32 is: 318,105.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,258.56 : 552,410.88 = 230,488.32 : x
  2. Step 2: Convert to fraction form
    400,258.56/552,410.88 = 230,488.32/x
  3. Step 3: Cross multiply
    400,258.56x = 552,410.88 × 230,488.32
  4. Step 4: Simplify right side
    400,258.56x = 127,324,255,680.92
  5. Step 5: Solve for x
    x = 127,324,255,680.92/400,258.56
  6. Step 6: Final answer
    x = 318,105.02

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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.