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Finding the Fourth Proportional to 359,373.56, 495,933.17 and 196,039.08

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Solution

The fourth proportional to 359,373.56, 495,933.17 and 196,039.08 is: 270,532.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,373.56 : 495,933.17 = 196,039.08 : x
  2. Step 2: Convert to fraction form
    359,373.56/495,933.17 = 196,039.08/x
  3. Step 3: Cross multiply
    359,373.56x = 495,933.17 × 196,039.08
  4. Step 4: Simplify right side
    359,373.56x = 97,222,281,408.09
  5. Step 5: Solve for x
    x = 97,222,281,408.09/359,373.56
  6. Step 6: Final answer
    x = 270,532.65

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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.