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Finding the Fourth Proportional to 376,412.54, 564,272.26 and 163,046.39

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Solution

The fourth proportional to 376,412.54, 564,272.26 and 163,046.39 is: 244,419.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,412.54 : 564,272.26 = 163,046.39 : x
  2. Step 2: Convert to fraction form
    376,412.54/564,272.26 = 163,046.39/x
  3. Step 3: Cross multiply
    376,412.54x = 564,272.26 × 163,046.39
  4. Step 4: Simplify right side
    376,412.54x = 92,002,551,741.16
  5. Step 5: Solve for x
    x = 92,002,551,741.16/376,412.54
  6. Step 6: Final answer
    x = 244,419.47

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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.