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Finding the Fourth Proportional to 274,104, 411,216.48 and 116,467.20

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Solution

The fourth proportional to 274,104, 411,216.48 and 116,467.20 is: 174,726.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,104 : 411,216.48 = 116,467.20 : x
  2. Step 2: Convert to fraction form
    274,104/411,216.48 = 116,467.20/x
  3. Step 3: Cross multiply
    274,104x = 411,216.48 × 116,467.20
  4. Step 4: Simplify right side
    274,104x = 47,893,232,019.46
  5. Step 5: Solve for x
    x = 47,893,232,019.46/274,104
  6. Step 6: Final answer
    x = 174,726.50

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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.