Home / 217,377.68-326,025-67,619.81

Finding the Fourth Proportional to 217,377.68, 326,025 and 67,619.81

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Solution

The fourth proportional to 217,377.68, 326,025 and 67,619.81 is: 101,416.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,377.68 : 326,025 = 67,619.81 : x
  2. Step 2: Convert to fraction form
    217,377.68/326,025 = 67,619.81/x
  3. Step 3: Cross multiply
    217,377.68x = 326,025 × 67,619.81
  4. Step 4: Simplify right side
    217,377.68x = 22,045,749,370.31
  5. Step 5: Solve for x
    x = 22,045,749,370.31/217,377.68
  6. Step 6: Final answer
    x = 101,416.81

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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.