Home / 227,738.80-341,705.40-109,349.20

Finding the Fourth Proportional to 227,738.80, 341,705.40 and 109,349.20

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Solution

The fourth proportional to 227,738.80, 341,705.40 and 109,349.20 is: 164,070.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,738.80 : 341,705.40 = 109,349.20 : x
  2. Step 2: Convert to fraction form
    227,738.80/341,705.40 = 109,349.20/x
  3. Step 3: Cross multiply
    227,738.80x = 341,705.40 × 109,349.20
  4. Step 4: Simplify right side
    227,738.80x = 37,365,212,125.68
  5. Step 5: Solve for x
    x = 37,365,212,125.68/227,738.80
  6. Step 6: Final answer
    x = 164,070.47

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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.