Home / 219,140.24-329,492.82-201,819.20

Finding the Fourth Proportional to 219,140.24, 329,492.82 and 201,819.20

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Solution

The fourth proportional to 219,140.24, 329,492.82 and 201,819.20 is: 303,449.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,140.24 : 329,492.82 = 201,819.20 : x
  2. Step 2: Convert to fraction form
    219,140.24/329,492.82 = 201,819.20/x
  3. Step 3: Cross multiply
    219,140.24x = 329,492.82 × 201,819.20
  4. Step 4: Simplify right side
    219,140.24x = 66,497,977,338.14
  5. Step 5: Solve for x
    x = 66,497,977,338.14/219,140.24
  6. Step 6: Final answer
    x = 303,449.41

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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.