Home / 306,031.56-422,296.66-170,056.89

Finding the Fourth Proportional to 306,031.56, 422,296.66 and 170,056.89

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Solution

The fourth proportional to 306,031.56, 422,296.66 and 170,056.89 is: 234,663.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,031.56 : 422,296.66 = 170,056.89 : x
  2. Step 2: Convert to fraction form
    306,031.56/422,296.66 = 170,056.89/x
  3. Step 3: Cross multiply
    306,031.56x = 422,296.66 × 170,056.89
  4. Step 4: Simplify right side
    306,031.56x = 71,814,456,656.99
  5. Step 5: Solve for x
    x = 71,814,456,656.99/306,031.56
  6. Step 6: Final answer
    x = 234,663.56

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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.