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Finding the Fourth Proportional to 248,058, 372,087.02 and 72,954

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Solution

The fourth proportional to 248,058, 372,087.02 and 72,954 is: 109,431.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,058 : 372,087.02 = 72,954 : x
  2. Step 2: Convert to fraction form
    248,058/372,087.02 = 72,954/x
  3. Step 3: Cross multiply
    248,058x = 372,087.02 × 72,954
  4. Step 4: Simplify right side
    248,058x = 27,145,236,457.08
  5. Step 5: Solve for x
    x = 27,145,236,457.08/248,058
  6. Step 6: Final answer
    x = 109,431.01

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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.