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Finding the Fourth Proportional to 366,941.20, 550,411.80 and 234,080.95

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Solution

The fourth proportional to 366,941.20, 550,411.80 and 234,080.95 is: 351,121.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,941.20 : 550,411.80 = 234,080.95 : x
  2. Step 2: Convert to fraction form
    366,941.20/550,411.80 = 234,080.95/x
  3. Step 3: Cross multiply
    366,941.20x = 550,411.80 × 234,080.95
  4. Step 4: Simplify right side
    366,941.20x = 128,840,917,035.21
  5. Step 5: Solve for x
    x = 128,840,917,035.21/366,941.20
  6. Step 6: Final answer
    x = 351,121.43

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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.