Home / 217,314.28-325,465.98-211,334.92

Finding the Fourth Proportional to 217,314.28, 325,465.98 and 211,334.92

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Solution

The fourth proportional to 217,314.28, 325,465.98 and 211,334.92 is: 316,510.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,314.28 : 325,465.98 = 211,334.92 : x
  2. Step 2: Convert to fraction form
    217,314.28/325,465.98 = 211,334.92/x
  3. Step 3: Cross multiply
    217,314.28x = 325,465.98 × 211,334.92
  4. Step 4: Simplify right side
    217,314.28x = 68,782,326,846.02
  5. Step 5: Solve for x
    x = 68,782,326,846.02/217,314.28
  6. Step 6: Final answer
    x = 316,510.85

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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.