Home / 245,234.46-338,412.66-143,269.38

Finding the Fourth Proportional to 245,234.46, 338,412.66 and 143,269.38

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Solution

The fourth proportional to 245,234.46, 338,412.66 and 143,269.38 is: 197,705.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,234.46 : 338,412.66 = 143,269.38 : x
  2. Step 2: Convert to fraction form
    245,234.46/338,412.66 = 143,269.38/x
  3. Step 3: Cross multiply
    245,234.46x = 338,412.66 × 143,269.38
  4. Step 4: Simplify right side
    245,234.46x = 48,484,171,982.35
  5. Step 5: Solve for x
    x = 48,484,171,982.35/245,234.46
  6. Step 6: Final answer
    x = 197,705.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.