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Finding the Fourth Proportional to 359,108.22, 495,522.73 and 206,153.09

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Solution

The fourth proportional to 359,108.22, 495,522.73 and 206,153.09 is: 284,464.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,108.22 : 495,522.73 = 206,153.09 : x
  2. Step 2: Convert to fraction form
    359,108.22/495,522.73 = 206,153.09/x
  3. Step 3: Cross multiply
    359,108.22x = 495,522.73 × 206,153.09
  4. Step 4: Simplify right side
    359,108.22x = 102,153,541,954.74
  5. Step 5: Solve for x
    x = 102,153,541,954.74/359,108.22
  6. Step 6: Final answer
    x = 284,464.50

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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.