Home / 311,324.15-429,499.86-229,847.33

Finding the Fourth Proportional to 311,324.15, 429,499.86 and 229,847.33

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Solution

The fourth proportional to 311,324.15, 429,499.86 and 229,847.33 is: 317,095.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,324.15 : 429,499.86 = 229,847.33 : x
  2. Step 2: Convert to fraction form
    311,324.15/429,499.86 = 229,847.33/x
  3. Step 3: Cross multiply
    311,324.15x = 429,499.86 × 229,847.33
  4. Step 4: Simplify right side
    311,324.15x = 98,719,396,056.37
  5. Step 5: Solve for x
    x = 98,719,396,056.37/311,324.15
  6. Step 6: Final answer
    x = 317,095.21

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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.