Home / 336,915.23-505,370.78-84,194.42

Finding the Fourth Proportional to 336,915.23, 505,370.78 and 84,194.42

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Solution

The fourth proportional to 336,915.23, 505,370.78 and 84,194.42 is: 126,291.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,915.23 : 505,370.78 = 84,194.42 : x
  2. Step 2: Convert to fraction form
    336,915.23/505,370.78 = 84,194.42/x
  3. Step 3: Cross multiply
    336,915.23x = 505,370.78 × 84,194.42
  4. Step 4: Simplify right side
    336,915.23x = 42,549,397,074.95
  5. Step 5: Solve for x
    x = 42,549,397,074.95/336,915.23
  6. Step 6: Final answer
    x = 126,291.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.