Home / 220,080.29-329,996.50-70,285.37

Finding the Fourth Proportional to 220,080.29, 329,996.50 and 70,285.37

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Solution

The fourth proportional to 220,080.29, 329,996.50 and 70,285.37 is: 105,388.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,080.29 : 329,996.50 = 70,285.37 : x
  2. Step 2: Convert to fraction form
    220,080.29/329,996.50 = 70,285.37/x
  3. Step 3: Cross multiply
    220,080.29x = 329,996.50 × 70,285.37
  4. Step 4: Simplify right side
    220,080.29x = 23,193,924,275.51
  5. Step 5: Solve for x
    x = 23,193,924,275.51/220,080.29
  6. Step 6: Final answer
    x = 105,388.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.