Home / 243,771.39-336,467.12-148,345.29

Finding the Fourth Proportional to 243,771.39, 336,467.12 and 148,345.29

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Solution

The fourth proportional to 243,771.39, 336,467.12 and 148,345.29 is: 204,754.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,771.39 : 336,467.12 = 148,345.29 : x
  2. Step 2: Convert to fraction form
    243,771.39/336,467.12 = 148,345.29/x
  3. Step 3: Cross multiply
    243,771.39x = 336,467.12 × 148,345.29
  4. Step 4: Simplify right side
    243,771.39x = 49,913,311,750.14
  5. Step 5: Solve for x
    x = 49,913,311,750.14/243,771.39
  6. Step 6: Final answer
    x = 204,754.59

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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.