Home / 220,250.48-330,399.93-70,455.56

Finding the Fourth Proportional to 220,250.48, 330,399.93 and 70,455.56

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Solution

The fourth proportional to 220,250.48, 330,399.93 and 70,455.56 is: 105,691.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,250.48 : 330,399.93 = 70,455.56 : x
  2. Step 2: Convert to fraction form
    220,250.48/330,399.93 = 70,455.56/x
  3. Step 3: Cross multiply
    220,250.48x = 330,399.93 × 70,455.56
  4. Step 4: Simplify right side
    220,250.48x = 23,278,512,092.11
  5. Step 5: Solve for x
    x = 23,278,512,092.11/220,250.48
  6. Step 6: Final answer
    x = 105,691.08

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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.