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Finding the Fourth Proportional to 365,968.33, 548,980.13 and 113,274.45

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Solution

The fourth proportional to 365,968.33, 548,980.13 and 113,274.45 is: 169,920.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,968.33 : 548,980.13 = 113,274.45 : x
  2. Step 2: Convert to fraction form
    365,968.33/548,980.13 = 113,274.45/x
  3. Step 3: Cross multiply
    365,968.33x = 548,980.13 × 113,274.45
  4. Step 4: Simplify right side
    365,968.33x = 62,185,422,569.86
  5. Step 5: Solve for x
    x = 62,185,422,569.86/365,968.33
  6. Step 6: Final answer
    x = 169,920.23

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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.