Home / 270,811.96-374,109.79-216,292.55

Finding the Fourth Proportional to 270,811.96, 374,109.79 and 216,292.55

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Solution

The fourth proportional to 270,811.96, 374,109.79 and 216,292.55 is: 298,794.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,811.96 : 374,109.79 = 216,292.55 : x
  2. Step 2: Convert to fraction form
    270,811.96/374,109.79 = 216,292.55/x
  3. Step 3: Cross multiply
    270,811.96x = 374,109.79 × 216,292.55
  4. Step 4: Simplify right side
    270,811.96x = 80,917,160,323.88
  5. Step 5: Solve for x
    x = 80,917,160,323.88/270,811.96
  6. Step 6: Final answer
    x = 298,794.63

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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.