Home / 306,210.32-422,584.30-170,258.10

Finding the Fourth Proportional to 306,210.32, 422,584.30 and 170,258.10

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Solution

The fourth proportional to 306,210.32, 422,584.30 and 170,258.10 is: 234,963.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,210.32 : 422,584.30 = 170,258.10 : x
  2. Step 2: Convert to fraction form
    306,210.32/422,584.30 = 170,258.10/x
  3. Step 3: Cross multiply
    306,210.32x = 422,584.30 × 170,258.10
  4. Step 4: Simplify right side
    306,210.32x = 71,948,400,007.83
  5. Step 5: Solve for x
    x = 71,948,400,007.83/306,210.32
  6. Step 6: Final answer
    x = 234,963.99

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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.