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Finding the Fourth Proportional to 359,289.29, 495,812.49 and 195,947.75

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Solution

The fourth proportional to 359,289.29, 495,812.49 and 195,947.75 is: 270,404.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,289.29 : 495,812.49 = 195,947.75 : x
  2. Step 2: Convert to fraction form
    359,289.29/495,812.49 = 195,947.75/x
  3. Step 3: Cross multiply
    359,289.29x = 495,812.49 × 195,947.75
  4. Step 4: Simplify right side
    359,289.29x = 97,153,341,837.40
  5. Step 5: Solve for x
    x = 97,153,341,837.40/359,289.29
  6. Step 6: Final answer
    x = 270,404.22

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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.