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Finding the Fourth Proportional to 359,263.04, 495,783 and 206,311.28

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Solution

The fourth proportional to 359,263.04, 495,783 and 206,311.28 is: 284,709.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,263.04 : 495,783 = 206,311.28 : x
  2. Step 2: Convert to fraction form
    359,263.04/495,783 = 206,311.28/x
  3. Step 3: Cross multiply
    359,263.04x = 495,783 × 206,311.28
  4. Step 4: Simplify right side
    359,263.04x = 102,285,625,332.24
  5. Step 5: Solve for x
    x = 102,285,625,332.24/359,263.04
  6. Step 6: Final answer
    x = 284,709.57

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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.