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Finding the Fourth Proportional to 229,093.60, 343,726.80 and 110,869.60

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Solution

The fourth proportional to 229,093.60, 343,726.80 and 110,869.60 is: 166,346.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,093.60 : 343,726.80 = 110,869.60 : x
  2. Step 2: Convert to fraction form
    229,093.60/343,726.80 = 110,869.60/x
  3. Step 3: Cross multiply
    229,093.60x = 343,726.80 × 110,869.60
  4. Step 4: Simplify right side
    229,093.60x = 38,108,852,825.28
  5. Step 5: Solve for x
    x = 38,108,852,825.28/229,093.60
  6. Step 6: Final answer
    x = 166,346.21

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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.