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Finding the Fourth Proportional to 237,138.67, 355,708.61 and 96,897.30

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Solution

The fourth proportional to 237,138.67, 355,708.61 and 96,897.30 is: 145,346.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,138.67 : 355,708.61 = 96,897.30 : x
  2. Step 2: Convert to fraction form
    237,138.67/355,708.61 = 96,897.30/x
  3. Step 3: Cross multiply
    237,138.67x = 355,708.61 × 96,897.30
  4. Step 4: Simplify right side
    237,138.67x = 34,467,201,632.72
  5. Step 5: Solve for x
    x = 34,467,201,632.72/237,138.67
  6. Step 6: Final answer
    x = 145,346.19

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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.