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Finding the Fourth Proportional to 359,076.18, 495,524.98 and 197,933.92

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Solution

The fourth proportional to 359,076.18, 495,524.98 and 197,933.92 is: 273,148.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,076.18 : 495,524.98 = 197,933.92 : x
  2. Step 2: Convert to fraction form
    359,076.18/495,524.98 = 197,933.92/x
  3. Step 3: Cross multiply
    359,076.18x = 495,524.98 × 197,933.92
  4. Step 4: Simplify right side
    359,076.18x = 98,081,200,015.67
  5. Step 5: Solve for x
    x = 98,081,200,015.67/359,076.18
  6. Step 6: Final answer
    x = 273,148.72

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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.