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Finding the Fourth Proportional to 366,830.70, 550,246.05 and 266,447.40

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Solution

The fourth proportional to 366,830.70, 550,246.05 and 266,447.40 is: 399,671.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,830.70 : 550,246.05 = 266,447.40 : x
  2. Step 2: Convert to fraction form
    366,830.70/550,246.05 = 266,447.40/x
  3. Step 3: Cross multiply
    366,830.70x = 550,246.05 × 266,447.40
  4. Step 4: Simplify right side
    366,830.70x = 146,611,629,382.77
  5. Step 5: Solve for x
    x = 146,611,629,382.77/366,830.70
  6. Step 6: Final answer
    x = 399,671.10

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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.