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Finding the Fourth Proportional to 444,160.12, 665,172.60 and 254,044.32

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Solution

The fourth proportional to 444,160.12, 665,172.60 and 254,044.32 is: 380,455.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,160.12 : 665,172.60 = 254,044.32 : x
  2. Step 2: Convert to fraction form
    444,160.12/665,172.60 = 254,044.32/x
  3. Step 3: Cross multiply
    444,160.12x = 665,172.60 × 254,044.32
  4. Step 4: Simplify right side
    444,160.12x = 168,983,320,849.63
  5. Step 5: Solve for x
    x = 168,983,320,849.63/444,160.12
  6. Step 6: Final answer
    x = 380,455.86

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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.