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Finding the Fourth Proportional to 273,417.88, 377,290.48 and 166,046.72

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Solution

The fourth proportional to 273,417.88, 377,290.48 and 166,046.72 is: 229,128.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,417.88 : 377,290.48 = 166,046.72 : x
  2. Step 2: Convert to fraction form
    273,417.88/377,290.48 = 166,046.72/x
  3. Step 3: Cross multiply
    273,417.88x = 377,290.48 × 166,046.72
  4. Step 4: Simplify right side
    273,417.88x = 62,647,846,691.23
  5. Step 5: Solve for x
    x = 62,647,846,691.23/273,417.88
  6. Step 6: Final answer
    x = 229,128.57

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1.5x scale

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.