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Finding the Fourth Proportional to 509,007.26, 762,347.72 and 242,954.54

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Solution

The fourth proportional to 509,007.26, 762,347.72 and 242,954.54 is: 363,876.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,007.26 : 762,347.72 = 242,954.54 : x
  2. Step 2: Convert to fraction form
    509,007.26/762,347.72 = 242,954.54/x
  3. Step 3: Cross multiply
    509,007.26x = 762,347.72 × 242,954.54
  4. Step 4: Simplify right side
    509,007.26x = 185,215,839,632.65
  5. Step 5: Solve for x
    x = 185,215,839,632.65/509,007.26
  6. Step 6: Final answer
    x = 363,876.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.