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Finding the Fourth Proportional to 366,827.40, 550,241.10 and 207,395.10

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Solution

The fourth proportional to 366,827.40, 550,241.10 and 207,395.10 is: 311,092.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,827.40 : 550,241.10 = 207,395.10 : x
  2. Step 2: Convert to fraction form
    366,827.40/550,241.10 = 207,395.10/x
  3. Step 3: Cross multiply
    366,827.40x = 550,241.10 × 207,395.10
  4. Step 4: Simplify right side
    366,827.40x = 114,117,307,958.61
  5. Step 5: Solve for x
    x = 114,117,307,958.61/366,827.40
  6. Step 6: Final answer
    x = 311,092.65

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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.