Home / 306,207.93-422,581.01-170,255.85

Finding the Fourth Proportional to 306,207.93, 422,581.01 and 170,255.85

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Solution

The fourth proportional to 306,207.93, 422,581.01 and 170,255.85 is: 234,960.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,207.93 : 422,581.01 = 170,255.85 : x
  2. Step 2: Convert to fraction form
    306,207.93/422,581.01 = 170,255.85/x
  3. Step 3: Cross multiply
    306,207.93x = 422,581.01 × 170,255.85
  4. Step 4: Simplify right side
    306,207.93x = 71,946,889,051.41
  5. Step 5: Solve for x
    x = 71,946,889,051.41/306,207.93
  6. Step 6: Final answer
    x = 234,960.89

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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.