Home / 220,384.80-330,623.60-115,175.52

Finding the Fourth Proportional to 220,384.80, 330,623.60 and 115,175.52

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Solution

The fourth proportional to 220,384.80, 330,623.60 and 115,175.52 is: 172,787.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,384.80 : 330,623.60 = 115,175.52 : x
  2. Step 2: Convert to fraction form
    220,384.80/330,623.60 = 115,175.52/x
  3. Step 3: Cross multiply
    220,384.80x = 330,623.60 × 115,175.52
  4. Step 4: Simplify right side
    220,384.80x = 38,079,745,054.27
  5. Step 5: Solve for x
    x = 38,079,745,054.27/220,384.80
  6. Step 6: Final answer
    x = 172,787.53

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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.