Home / 245,262.42-338,554.62-143,321.02

Finding the Fourth Proportional to 245,262.42, 338,554.62 and 143,321.02

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Solution

The fourth proportional to 245,262.42, 338,554.62 and 143,321.02 is: 197,837.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,262.42 : 338,554.62 = 143,321.02 : x
  2. Step 2: Convert to fraction form
    245,262.42/338,554.62 = 143,321.02/x
  3. Step 3: Cross multiply
    245,262.42x = 338,554.62 × 143,321.02
  4. Step 4: Simplify right side
    245,262.42x = 48,521,993,464.11
  5. Step 5: Solve for x
    x = 48,521,993,464.11/245,262.42
  6. Step 6: Final answer
    x = 197,837.05

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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.