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Finding the Fourth Proportional to 444,161.12, 665,174.10 and 254,045.32

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Solution

The fourth proportional to 444,161.12, 665,174.10 and 254,045.32 is: 380,457.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,161.12 : 665,174.10 = 254,045.32 : x
  2. Step 2: Convert to fraction form
    444,161.12/665,174.10 = 254,045.32/x
  3. Step 3: Cross multiply
    444,161.12x = 665,174.10 × 254,045.32
  4. Step 4: Simplify right side
    444,161.12x = 168,984,367,090.21
  5. Step 5: Solve for x
    x = 168,984,367,090.21/444,161.12
  6. Step 6: Final answer
    x = 380,457.36

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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.