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Finding the Fourth Proportional to 366,945.35, 550,472.70 and 130,268.21

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Solution

The fourth proportional to 366,945.35, 550,472.70 and 130,268.21 is: 195,421.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,945.35 : 550,472.70 = 130,268.21 : x
  2. Step 2: Convert to fraction form
    366,945.35/550,472.70 = 130,268.21/x
  3. Step 3: Cross multiply
    366,945.35x = 550,472.70 × 130,268.21
  4. Step 4: Simplify right side
    366,945.35x = 71,709,093,282.87
  5. Step 5: Solve for x
    x = 71,709,093,282.87/366,945.35
  6. Step 6: Final answer
    x = 195,421.73

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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.