Home / 330,250.96-455,750.31-187,007.32

Finding the Fourth Proportional to 330,250.96, 455,750.31 and 187,007.32

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Solution

The fourth proportional to 330,250.96, 455,750.31 and 187,007.32 is: 258,072.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,250.96 : 455,750.31 = 187,007.32 : x
  2. Step 2: Convert to fraction form
    330,250.96/455,750.31 = 187,007.32/x
  3. Step 3: Cross multiply
    330,250.96x = 455,750.31 × 187,007.32
  4. Step 4: Simplify right side
    330,250.96x = 85,228,644,062.27
  5. Step 5: Solve for x
    x = 85,228,644,062.27/330,250.96
  6. Step 6: Final answer
    x = 258,072.36

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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.