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Finding the Fourth Proportional to 488,621.88, 733,029.66 and 151,648.11

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Solution

The fourth proportional to 488,621.88, 733,029.66 and 151,648.11 is: 227,502.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,621.88 : 733,029.66 = 151,648.11 : x
  2. Step 2: Convert to fraction form
    488,621.88/733,029.66 = 151,648.11/x
  3. Step 3: Cross multiply
    488,621.88x = 733,029.66 × 151,648.11
  4. Step 4: Simplify right side
    488,621.88x = 111,162,562,512.94
  5. Step 5: Solve for x
    x = 111,162,562,512.94/488,621.88
  6. Step 6: Final answer
    x = 227,502.22

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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.