Home / 306,209.32-422,582.92-170,257.10

Finding the Fourth Proportional to 306,209.32, 422,582.92 and 170,257.10

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Solution

The fourth proportional to 306,209.32, 422,582.92 and 170,257.10 is: 234,962.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,209.32 : 422,582.92 = 170,257.10 : x
  2. Step 2: Convert to fraction form
    306,209.32/422,582.92 = 170,257.10/x
  3. Step 3: Cross multiply
    306,209.32x = 422,582.92 × 170,257.10
  4. Step 4: Simplify right side
    306,209.32x = 71,947,742,468.73
  5. Step 5: Solve for x
    x = 71,947,742,468.73/306,209.32
  6. Step 6: Final answer
    x = 234,962.61

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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.