Home / 329,181.32-454,144.98-243,346.38

Finding the Fourth Proportional to 329,181.32, 454,144.98 and 243,346.38

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Solution

The fourth proportional to 329,181.32, 454,144.98 and 243,346.38 is: 335,725.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,181.32 : 454,144.98 = 243,346.38 : x
  2. Step 2: Convert to fraction form
    329,181.32/454,144.98 = 243,346.38/x
  3. Step 3: Cross multiply
    329,181.32x = 454,144.98 × 243,346.38
  4. Step 4: Simplify right side
    329,181.32x = 110,514,536,878.17
  5. Step 5: Solve for x
    x = 110,514,536,878.17/329,181.32
  6. Step 6: Final answer
    x = 335,725.42

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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.