Home / 217,050.66-325,181.70-212,326.74

Finding the Fourth Proportional to 217,050.66, 325,181.70 and 212,326.74

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Solution

The fourth proportional to 217,050.66, 325,181.70 and 212,326.74 is: 318,104.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,050.66 : 325,181.70 = 212,326.74 : x
  2. Step 2: Convert to fraction form
    217,050.66/325,181.70 = 212,326.74/x
  3. Step 3: Cross multiply
    217,050.66x = 325,181.70 × 212,326.74
  4. Step 4: Simplify right side
    217,050.66x = 69,044,770,268.66
  5. Step 5: Solve for x
    x = 69,044,770,268.66/217,050.66
  6. Step 6: Final answer
    x = 318,104.40

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1.5x scale

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.