Home / 342,069.27-472,014.70-189,086.86

Finding the Fourth Proportional to 342,069.27, 472,014.70 and 189,086.86

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Solution

The fourth proportional to 342,069.27, 472,014.70 and 189,086.86 is: 260,917.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,069.27 : 472,014.70 = 189,086.86 : x
  2. Step 2: Convert to fraction form
    342,069.27/472,014.70 = 189,086.86/x
  3. Step 3: Cross multiply
    342,069.27x = 472,014.70 × 189,086.86
  4. Step 4: Simplify right side
    342,069.27x = 89,251,777,496.84
  5. Step 5: Solve for x
    x = 89,251,777,496.84/342,069.27
  6. Step 6: Final answer
    x = 260,917.26

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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.