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Finding the Fourth Proportional to 367,084.43, 550,407.94 and 127,119.50

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Solution

The fourth proportional to 367,084.43, 550,407.94 and 127,119.50 is: 190,603.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,084.43 : 550,407.94 = 127,119.50 : x
  2. Step 2: Convert to fraction form
    367,084.43/550,407.94 = 127,119.50/x
  3. Step 3: Cross multiply
    367,084.43x = 550,407.94 × 127,119.50
  4. Step 4: Simplify right side
    367,084.43x = 69,967,582,128.83
  5. Step 5: Solve for x
    x = 69,967,582,128.83/367,084.43
  6. Step 6: Final answer
    x = 190,603.51

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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.