Home / 197,393.46-272,083.04-154,296.80

Finding the Fourth Proportional to 197,393.46, 272,083.04 and 154,296.80

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Solution

The fourth proportional to 197,393.46, 272,083.04 and 154,296.80 is: 212,679.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,393.46 : 272,083.04 = 154,296.80 : x
  2. Step 2: Convert to fraction form
    197,393.46/272,083.04 = 154,296.80/x
  3. Step 3: Cross multiply
    197,393.46x = 272,083.04 × 154,296.80
  4. Step 4: Simplify right side
    197,393.46x = 41,981,542,406.27
  5. Step 5: Solve for x
    x = 41,981,542,406.27/197,393.46
  6. Step 6: Final answer
    x = 212,679.50

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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.