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Finding the Fourth Proportional to 377,517.54, 520,974.29 and 207,751.66

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Solution

The fourth proportional to 377,517.54, 520,974.29 and 207,751.66 is: 286,697.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,517.54 : 520,974.29 = 207,751.66 : x
  2. Step 2: Convert to fraction form
    377,517.54/520,974.29 = 207,751.66/x
  3. Step 3: Cross multiply
    377,517.54x = 520,974.29 × 207,751.66
  4. Step 4: Simplify right side
    377,517.54x = 108,233,273,564.82
  5. Step 5: Solve for x
    x = 108,233,273,564.82/377,517.54
  6. Step 6: Final answer
    x = 286,697.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.