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Finding the Fourth Proportional to 366,707.61, 550,139.38 and 113,982.03

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Solution

The fourth proportional to 366,707.61, 550,139.38 and 113,982.03 is: 170,997.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,707.61 : 550,139.38 = 113,982.03 : x
  2. Step 2: Convert to fraction form
    366,707.61/550,139.38 = 113,982.03/x
  3. Step 3: Cross multiply
    366,707.61x = 550,139.38 × 113,982.03
  4. Step 4: Simplify right side
    366,707.61x = 62,706,003,030.39
  5. Step 5: Solve for x
    x = 62,706,003,030.39/366,707.61
  6. Step 6: Final answer
    x = 170,997.28

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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.