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Finding the Fourth Proportional to 325,044.30, 487,566.45 and 272,556.30

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Solution

The fourth proportional to 325,044.30, 487,566.45 and 272,556.30 is: 408,834.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,044.30 : 487,566.45 = 272,556.30 : x
  2. Step 2: Convert to fraction form
    325,044.30/487,566.45 = 272,556.30/x
  3. Step 3: Cross multiply
    325,044.30x = 487,566.45 × 272,556.30
  4. Step 4: Simplify right side
    325,044.30x = 132,889,307,616.14
  5. Step 5: Solve for x
    x = 132,889,307,616.14/325,044.30
  6. Step 6: Final answer
    x = 408,834.45

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