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Finding the Fourth Proportional to 243,717.72, 365,538.78 and 94,028.10

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Solution

The fourth proportional to 243,717.72, 365,538.78 and 94,028.10 is: 141,027.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,717.72 : 365,538.78 = 94,028.10 : x
  2. Step 2: Convert to fraction form
    243,717.72/365,538.78 = 94,028.10/x
  3. Step 3: Cross multiply
    243,717.72x = 365,538.78 × 94,028.10
  4. Step 4: Simplify right side
    243,717.72x = 34,370,916,959.72
  5. Step 5: Solve for x
    x = 34,370,916,959.72/243,717.72
  6. Step 6: Final answer
    x = 141,027.57

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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.