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Finding the Fourth Proportional to 270,094.44, 372,654.42 and 155,367.12

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Solution

The fourth proportional to 270,094.44, 372,654.42 and 155,367.12 is: 214,362.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,094.44 : 372,654.42 = 155,367.12 : x
  2. Step 2: Convert to fraction form
    270,094.44/372,654.42 = 155,367.12/x
  3. Step 3: Cross multiply
    270,094.44x = 372,654.42 × 155,367.12
  4. Step 4: Simplify right side
    270,094.44x = 57,898,243,990.67
  5. Step 5: Solve for x
    x = 57,898,243,990.67/270,094.44
  6. Step 6: Final answer
    x = 214,362.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.