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Finding the Fourth Proportional to 237,138.89, 355,708.94 and 96,897.51

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Solution

The fourth proportional to 237,138.89, 355,708.94 and 96,897.51 is: 145,346.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,138.89 : 355,708.94 = 96,897.51 : x
  2. Step 2: Convert to fraction form
    237,138.89/355,708.94 = 96,897.51/x
  3. Step 3: Cross multiply
    237,138.89x = 355,708.94 × 96,897.51
  4. Step 4: Simplify right side
    237,138.89x = 34,467,310,086.25
  5. Step 5: Solve for x
    x = 34,467,310,086.25/237,138.89
  6. Step 6: Final answer
    x = 145,346.51

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1.5x scale

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.