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Finding the Fourth Proportional to 250,796.61, 376,019.96 and 92,982.69

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Solution

The fourth proportional to 250,796.61, 376,019.96 and 92,982.69 is: 139,409.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,796.61 : 376,019.96 = 92,982.69 : x
  2. Step 2: Convert to fraction form
    250,796.61/376,019.96 = 92,982.69/x
  3. Step 3: Cross multiply
    250,796.61x = 376,019.96 × 92,982.69
  4. Step 4: Simplify right side
    250,796.61x = 34,963,346,909.58
  5. Step 5: Solve for x
    x = 34,963,346,909.58/250,796.61
  6. Step 6: Final answer
    x = 139,409.17

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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.