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Finding the Fourth Proportional to 276,044.04, 380,914.52 and 161,349.57

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Solution

The fourth proportional to 276,044.04, 380,914.52 and 161,349.57 is: 222,647.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,044.04 : 380,914.52 = 161,349.57 : x
  2. Step 2: Convert to fraction form
    276,044.04/380,914.52 = 161,349.57/x
  3. Step 3: Cross multiply
    276,044.04x = 380,914.52 × 161,349.57
  4. Step 4: Simplify right side
    276,044.04x = 61,460,393,202.01
  5. Step 5: Solve for x
    x = 61,460,393,202.01/276,044.04
  6. Step 6: Final answer
    x = 222,647.06

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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.