Home / 220,828.25-331,242.48-71,068.52

Finding the Fourth Proportional to 220,828.25, 331,242.48 and 71,068.52

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Solution

The fourth proportional to 220,828.25, 331,242.48 and 71,068.52 is: 106,602.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,828.25 : 331,242.48 = 71,068.52 : x
  2. Step 2: Convert to fraction form
    220,828.25/331,242.48 = 71,068.52/x
  3. Step 3: Cross multiply
    220,828.25x = 331,242.48 × 71,068.52
  4. Step 4: Simplify right side
    220,828.25x = 23,540,911,158.52
  5. Step 5: Solve for x
    x = 23,540,911,158.52/220,828.25
  6. Step 6: Final answer
    x = 106,602.81

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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.