Home / 311,323.15-429,498.48-229,846.33

Finding the Fourth Proportional to 311,323.15, 429,498.48 and 229,846.33

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Solution

The fourth proportional to 311,323.15, 429,498.48 and 229,846.33 is: 317,093.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,323.15 : 429,498.48 = 229,846.33 : x
  2. Step 2: Convert to fraction form
    311,323.15/429,498.48 = 229,846.33/x
  3. Step 3: Cross multiply
    311,323.15x = 429,498.48 × 229,846.33
  4. Step 4: Simplify right side
    311,323.15x = 98,718,649,368.58
  5. Step 5: Solve for x
    x = 98,718,649,368.58/311,323.15
  6. Step 6: Final answer
    x = 317,093.83

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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.