Home / 366,942.80-550,414.20-130,309.40

Finding the Fourth Proportional to 366,942.80, 550,414.20 and 130,309.40

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Solution

The fourth proportional to 366,942.80, 550,414.20 and 130,309.40 is: 195,464.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,942.80 : 550,414.20 = 130,309.40 : x
  2. Step 2: Convert to fraction form
    366,942.80/550,414.20 = 130,309.40/x
  3. Step 3: Cross multiply
    366,942.80x = 550,414.20 × 130,309.40
  4. Step 4: Simplify right side
    366,942.80x = 71,724,144,153.48
  5. Step 5: Solve for x
    x = 71,724,144,153.48/366,942.80
  6. Step 6: Final answer
    x = 195,464.10

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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.