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Finding the Fourth Proportional to 149,896.40, 224,883.48 and 79,718

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Solution

The fourth proportional to 149,896.40, 224,883.48 and 79,718 is: 119,597.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,896.40 : 224,883.48 = 79,718 : x
  2. Step 2: Convert to fraction form
    149,896.40/224,883.48 = 79,718/x
  3. Step 3: Cross multiply
    149,896.40x = 224,883.48 × 79,718
  4. Step 4: Simplify right side
    149,896.40x = 17,927,261,258.64
  5. Step 5: Solve for x
    x = 17,927,261,258.64/149,896.40
  6. Step 6: Final answer
    x = 119,597.68

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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.