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Finding the Fourth Proportional to 366,974.20, 550,461.30 and 100,734.30

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Solution

The fourth proportional to 366,974.20, 550,461.30 and 100,734.30 is: 151,101.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,974.20 : 550,461.30 = 100,734.30 : x
  2. Step 2: Convert to fraction form
    366,974.20/550,461.30 = 100,734.30/x
  3. Step 3: Cross multiply
    366,974.20x = 550,461.30 × 100,734.30
  4. Step 4: Simplify right side
    366,974.20x = 55,450,333,732.59
  5. Step 5: Solve for x
    x = 55,450,333,732.59/366,974.20
  6. Step 6: Final answer
    x = 151,101.45

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1.5x scale

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.