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Finding the Fourth Proportional to 359,362.62, 495,911.73 and 198,214.21

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Solution

The fourth proportional to 359,362.62, 495,911.73 and 198,214.21 is: 273,530.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,362.62 : 495,911.73 = 198,214.21 : x
  2. Step 2: Convert to fraction form
    359,362.62/495,911.73 = 198,214.21/x
  3. Step 3: Cross multiply
    359,362.62x = 495,911.73 × 198,214.21
  4. Step 4: Simplify right side
    359,362.62x = 98,296,748,321.05
  5. Step 5: Solve for x
    x = 98,296,748,321.05/359,362.62
  6. Step 6: Final answer
    x = 273,530.81

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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.