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Finding the Fourth Proportional to 488,788.92, 733,297.86 and 151,812.36

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Solution

The fourth proportional to 488,788.92, 733,297.86 and 151,812.36 is: 227,754.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,788.92 : 733,297.86 = 151,812.36 : x
  2. Step 2: Convert to fraction form
    488,788.92/733,297.86 = 151,812.36/x
  3. Step 3: Cross multiply
    488,788.92x = 733,297.86 × 151,812.36
  4. Step 4: Simplify right side
    488,788.92x = 111,323,678,709.55
  5. Step 5: Solve for x
    x = 111,323,678,709.55/488,788.92
  6. Step 6: Final answer
    x = 227,754.10

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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.