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Finding the Fourth Proportional to 366,837.40, 550,256.10 and 207,405.10

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Solution

The fourth proportional to 366,837.40, 550,256.10 and 207,405.10 is: 311,107.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,837.40 : 550,256.10 = 207,405.10 : x
  2. Step 2: Convert to fraction form
    366,837.40/550,256.10 = 207,405.10/x
  3. Step 3: Cross multiply
    366,837.40x = 550,256.10 × 207,405.10
  4. Step 4: Simplify right side
    366,837.40x = 114,125,921,446.11
  5. Step 5: Solve for x
    x = 114,125,921,446.11/366,837.40
  6. Step 6: Final answer
    x = 311,107.65

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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.