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Finding the Fourth Proportional to 366,928.30, 550,392.45 and 330,186.70

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Solution

The fourth proportional to 366,928.30, 550,392.45 and 330,186.70 is: 495,280.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,928.30 : 550,392.45 = 330,186.70 : x
  2. Step 2: Convert to fraction form
    366,928.30/550,392.45 = 330,186.70/x
  3. Step 3: Cross multiply
    366,928.30x = 550,392.45 × 330,186.70
  4. Step 4: Simplify right side
    366,928.30x = 181,732,266,770.42
  5. Step 5: Solve for x
    x = 181,732,266,770.42/366,928.30
  6. Step 6: Final answer
    x = 495,280.05

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.