Home / 299,103.06-412,752.15-178,181.72

Finding the Fourth Proportional to 299,103.06, 412,752.15 and 178,181.72

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Solution

The fourth proportional to 299,103.06, 412,752.15 and 178,181.72 is: 245,884.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,103.06 : 412,752.15 = 178,181.72 : x
  2. Step 2: Convert to fraction form
    299,103.06/412,752.15 = 178,181.72/x
  3. Step 3: Cross multiply
    299,103.06x = 412,752.15 × 178,181.72
  4. Step 4: Simplify right side
    299,103.06x = 73,544,885,956.94
  5. Step 5: Solve for x
    x = 73,544,885,956.94/299,103.06
  6. Step 6: Final answer
    x = 245,884.77

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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.