Home / 336,819.87-505,049.38-137,037.42

Finding the Fourth Proportional to 336,819.87, 505,049.38 and 137,037.42

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Solution

The fourth proportional to 336,819.87, 505,049.38 and 137,037.42 is: 205,482.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,819.87 : 505,049.38 = 137,037.42 : x
  2. Step 2: Convert to fraction form
    336,819.87/505,049.38 = 137,037.42/x
  3. Step 3: Cross multiply
    336,819.87x = 505,049.38 × 137,037.42
  4. Step 4: Simplify right side
    336,819.87x = 69,210,663,665.21
  5. Step 5: Solve for x
    x = 69,210,663,665.21/336,819.87
  6. Step 6: Final answer
    x = 205,482.72

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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.