Home / 378,926.92-522,905.92-225,886.13

Finding the Fourth Proportional to 378,926.92, 522,905.92 and 225,886.13

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Solution

The fourth proportional to 378,926.92, 522,905.92 and 225,886.13 is: 311,714.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,926.92 : 522,905.92 = 225,886.13 : x
  2. Step 2: Convert to fraction form
    378,926.92/522,905.92 = 225,886.13/x
  3. Step 3: Cross multiply
    378,926.92x = 522,905.92 × 225,886.13
  4. Step 4: Simplify right side
    378,926.92x = 118,117,194,622.89
  5. Step 5: Solve for x
    x = 118,117,194,622.89/378,926.92
  6. Step 6: Final answer
    x = 311,714.97

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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.