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Finding the Fourth Proportional to 274,404.21, 411,504.01 and 94,439.35

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Solution

The fourth proportional to 274,404.21, 411,504.01 and 94,439.35 is: 141,623.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,404.21 : 411,504.01 = 94,439.35 : x
  2. Step 2: Convert to fraction form
    274,404.21/411,504.01 = 94,439.35/x
  3. Step 3: Cross multiply
    274,404.21x = 411,504.01 × 94,439.35
  4. Step 4: Simplify right side
    274,404.21x = 38,862,171,226.79
  5. Step 5: Solve for x
    x = 38,862,171,226.79/274,404.21
  6. Step 6: Final answer
    x = 141,623.82

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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.