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Finding the Fourth Proportional to 250,786, 376,179 and 84,574

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Solution

The fourth proportional to 250,786, 376,179 and 84,574 is: 126,861

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,786 : 376,179 = 84,574 : x
  2. Step 2: Convert to fraction form
    250,786/376,179 = 84,574/x
  3. Step 3: Cross multiply
    250,786x = 376,179 × 84,574
  4. Step 4: Simplify right side
    250,786x = 31,814,962,746
  5. Step 5: Solve for x
    x = 31,814,962,746/250,786
  6. Step 6: Final answer
    x = 126,861

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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.