Home / 219,139.24-329,491.32-201,818.20

Finding the Fourth Proportional to 219,139.24, 329,491.32 and 201,818.20

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Solution

The fourth proportional to 219,139.24, 329,491.32 and 201,818.20 is: 303,447.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,139.24 : 329,491.32 = 201,818.20 : x
  2. Step 2: Convert to fraction form
    219,139.24/329,491.32 = 201,818.20/x
  3. Step 3: Cross multiply
    219,139.24x = 329,491.32 × 201,818.20
  4. Step 4: Simplify right side
    219,139.24x = 66,497,345,118.02
  5. Step 5: Solve for x
    x = 66,497,345,118.02/219,139.24
  6. Step 6: Final answer
    x = 303,447.91

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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.