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Finding the Fourth Proportional to 365,851.15, 548,612.70 and 166,068.70

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Solution

The fourth proportional to 365,851.15, 548,612.70 and 166,068.70 is: 249,028.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,851.15 : 548,612.70 = 166,068.70 : x
  2. Step 2: Convert to fraction form
    365,851.15/548,612.70 = 166,068.70/x
  3. Step 3: Cross multiply
    365,851.15x = 548,612.70 × 166,068.70
  4. Step 4: Simplify right side
    365,851.15x = 91,107,397,892.49
  5. Step 5: Solve for x
    x = 91,107,397,892.49/365,851.15
  6. Step 6: Final answer
    x = 249,028.60

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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.