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Finding the Fourth Proportional to 366,920.05, 550,380.08 and 330,178.45

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Solution

The fourth proportional to 366,920.05, 550,380.08 and 330,178.45 is: 495,267.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,920.05 : 550,380.08 = 330,178.45 : x
  2. Step 2: Convert to fraction form
    366,920.05/550,380.08 = 330,178.45/x
  3. Step 3: Cross multiply
    366,920.05x = 550,380.08 × 330,178.45
  4. Step 4: Simplify right side
    366,920.05x = 181,723,641,725.28
  5. Step 5: Solve for x
    x = 181,723,641,725.28/366,920.05
  6. Step 6: Final answer
    x = 495,267.68

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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.