Home / 331,012.08-456,783.21-187,769.04

Finding the Fourth Proportional to 331,012.08, 456,783.21 and 187,769.04

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Solution

The fourth proportional to 331,012.08, 456,783.21 and 187,769.04 is: 259,113.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,012.08 : 456,783.21 = 187,769.04 : x
  2. Step 2: Convert to fraction form
    331,012.08/456,783.21 = 187,769.04/x
  3. Step 3: Cross multiply
    331,012.08x = 456,783.21 × 187,769.04
  4. Step 4: Simplify right side
    331,012.08x = 85,769,744,829.82
  5. Step 5: Solve for x
    x = 85,769,744,829.82/331,012.08
  6. Step 6: Final answer
    x = 259,113.64

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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.