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Finding the Fourth Proportional to 237,014.44, 355,540.56 and 79,243.72

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Solution

The fourth proportional to 237,014.44, 355,540.56 and 79,243.72 is: 118,871.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,014.44 : 355,540.56 = 79,243.72 : x
  2. Step 2: Convert to fraction form
    237,014.44/355,540.56 = 79,243.72/x
  3. Step 3: Cross multiply
    237,014.44x = 355,540.56 × 79,243.72
  4. Step 4: Simplify right side
    237,014.44x = 28,174,356,585.28
  5. Step 5: Solve for x
    x = 28,174,356,585.28/237,014.44
  6. Step 6: Final answer
    x = 118,871.90

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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.