Home / 274,799.55-379,216.76-153,945.93

Finding the Fourth Proportional to 274,799.55, 379,216.76 and 153,945.93

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Solution

The fourth proportional to 274,799.55, 379,216.76 and 153,945.93 is: 212,441.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,799.55 : 379,216.76 = 153,945.93 : x
  2. Step 2: Convert to fraction form
    274,799.55/379,216.76 = 153,945.93/x
  3. Step 3: Cross multiply
    274,799.55x = 379,216.76 × 153,945.93
  4. Step 4: Simplify right side
    274,799.55x = 58,378,876,789.79
  5. Step 5: Solve for x
    x = 58,378,876,789.79/274,799.55
  6. Step 6: Final answer
    x = 212,441.68

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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.