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Finding the Fourth Proportional to 243,377.44, 365,100.76 and 74,911.81

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Solution

The fourth proportional to 243,377.44, 365,100.76 and 74,911.81 is: 112,378.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,377.44 : 365,100.76 = 74,911.81 : x
  2. Step 2: Convert to fraction form
    243,377.44/365,100.76 = 74,911.81/x
  3. Step 3: Cross multiply
    243,377.44x = 365,100.76 × 74,911.81
  4. Step 4: Simplify right side
    243,377.44x = 27,350,358,763.98
  5. Step 5: Solve for x
    x = 27,350,358,763.98/243,377.44
  6. Step 6: Final answer
    x = 112,378.36

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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.