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Finding the Fourth Proportional to 359,247.96, 495,755.64 and 198,117.90

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Solution

The fourth proportional to 359,247.96, 495,755.64 and 198,117.90 is: 273,399.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,247.96 : 495,755.64 = 198,117.90 : x
  2. Step 2: Convert to fraction form
    359,247.96/495,755.64 = 198,117.90/x
  3. Step 3: Cross multiply
    359,247.96x = 495,755.64 × 198,117.90
  4. Step 4: Simplify right side
    359,247.96x = 98,218,066,309.96
  5. Step 5: Solve for x
    x = 98,218,066,309.96/359,247.96
  6. Step 6: Final answer
    x = 273,399.09

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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.