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Finding the Fourth Proportional to 468,587.78, 702,736.08 and 169,029.44

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Solution

The fourth proportional to 468,587.78, 702,736.08 and 169,029.44 is: 253,491.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,587.78 : 702,736.08 = 169,029.44 : x
  2. Step 2: Convert to fraction form
    468,587.78/702,736.08 = 169,029.44/x
  3. Step 3: Cross multiply
    468,587.78x = 702,736.08 × 169,029.44
  4. Step 4: Simplify right side
    468,587.78x = 118,783,082,556.52
  5. Step 5: Solve for x
    x = 118,783,082,556.52/468,587.78
  6. Step 6: Final answer
    x = 253,491.64

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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.