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Finding the Fourth Proportional to 366,989.35, 550,484.03 and 266,938.15

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Solution

The fourth proportional to 366,989.35, 550,484.03 and 266,938.15 is: 400,407.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,989.35 : 550,484.03 = 266,938.15 : x
  2. Step 2: Convert to fraction form
    366,989.35/550,484.03 = 266,938.15/x
  3. Step 3: Cross multiply
    366,989.35x = 550,484.03 × 266,938.15
  4. Step 4: Simplify right side
    366,989.35x = 146,945,188,572.75
  5. Step 5: Solve for x
    x = 146,945,188,572.75/366,989.35
  6. Step 6: Final answer
    x = 400,407.23

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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.