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Finding the Fourth Proportional to 366,906.30, 550,359.45 and 310,919.10

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Solution

The fourth proportional to 366,906.30, 550,359.45 and 310,919.10 is: 466,378.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,906.30 : 550,359.45 = 310,919.10 : x
  2. Step 2: Convert to fraction form
    366,906.30/550,359.45 = 310,919.10/x
  3. Step 3: Cross multiply
    366,906.30x = 550,359.45 × 310,919.10
  4. Step 4: Simplify right side
    366,906.30x = 171,117,264,870.50
  5. Step 5: Solve for x
    x = 171,117,264,870.50/366,906.30
  6. Step 6: Final answer
    x = 466,378.65

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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.