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Finding the Fourth Proportional to 276,393.04, 381,401.48 and 163,194

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Solution

The fourth proportional to 276,393.04, 381,401.48 and 163,194 is: 225,195.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,393.04 : 381,401.48 = 163,194 : x
  2. Step 2: Convert to fraction form
    276,393.04/381,401.48 = 163,194/x
  3. Step 3: Cross multiply
    276,393.04x = 381,401.48 × 163,194
  4. Step 4: Simplify right side
    276,393.04x = 62,242,433,127.12
  5. Step 5: Solve for x
    x = 62,242,433,127.12/276,393.04
  6. Step 6: Final answer
    x = 225,195.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.