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Finding the Fourth Proportional to 359,027.14, 495,485.94 and 197,910.85

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Solution

The fourth proportional to 359,027.14, 495,485.94 and 197,910.85 is: 273,132.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,027.14 : 495,485.94 = 197,910.85 : x
  2. Step 2: Convert to fraction form
    359,027.14/495,485.94 = 197,910.85/x
  3. Step 3: Cross multiply
    359,027.14x = 495,485.94 × 197,910.85
  4. Step 4: Simplify right side
    359,027.14x = 98,062,043,548.45
  5. Step 5: Solve for x
    x = 98,062,043,548.45/359,027.14
  6. Step 6: Final answer
    x = 273,132.68

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1.5x scale

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.