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Finding the Fourth Proportional to 491,248.51, 677,918.14 and 273,453.73

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Solution

The fourth proportional to 491,248.51, 677,918.14 and 273,453.73 is: 377,363.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,248.51 : 677,918.14 = 273,453.73 : x
  2. Step 2: Convert to fraction form
    491,248.51/677,918.14 = 273,453.73/x
  3. Step 3: Cross multiply
    491,248.51x = 677,918.14 × 273,453.73
  4. Step 4: Simplify right side
    491,248.51x = 185,379,244,017.66
  5. Step 5: Solve for x
    x = 185,379,244,017.66/491,248.51
  6. Step 6: Final answer
    x = 377,363.47

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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.