Home / 220,686.07-330,611.29-130,458.66

Finding the Fourth Proportional to 220,686.07, 330,611.29 and 130,458.66

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Solution

The fourth proportional to 220,686.07, 330,611.29 and 130,458.66 is: 195,441.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,686.07 : 330,611.29 = 130,458.66 : x
  2. Step 2: Convert to fraction form
    220,686.07/330,611.29 = 130,458.66/x
  3. Step 3: Cross multiply
    220,686.07x = 330,611.29 × 130,458.66
  4. Step 4: Simplify right side
    220,686.07x = 43,131,105,874.27
  5. Step 5: Solve for x
    x = 43,131,105,874.27/220,686.07
  6. Step 6: Final answer
    x = 195,441.00

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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.