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Finding the Fourth Proportional to 395,110.19, 592,845.21 and 167,468.20

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Solution

The fourth proportional to 395,110.19, 592,845.21 and 167,468.20 is: 251,278.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,110.19 : 592,845.21 = 167,468.20 : x
  2. Step 2: Convert to fraction form
    395,110.19/592,845.21 = 167,468.20/x
  3. Step 3: Cross multiply
    395,110.19x = 592,845.21 × 167,468.20
  4. Step 4: Simplify right side
    395,110.19x = 99,282,720,197.32
  5. Step 5: Solve for x
    x = 99,282,720,197.32/395,110.19
  6. Step 6: Final answer
    x = 251,278.56

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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.