Home / 330,292.24-455,788.03-187,053.31

Finding the Fourth Proportional to 330,292.24, 455,788.03 and 187,053.31

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Solution

The fourth proportional to 330,292.24, 455,788.03 and 187,053.31 is: 258,124.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,292.24 : 455,788.03 = 187,053.31 : x
  2. Step 2: Convert to fraction form
    330,292.24/455,788.03 = 187,053.31/x
  3. Step 3: Cross multiply
    330,292.24x = 455,788.03 × 187,053.31
  4. Step 4: Simplify right side
    330,292.24x = 85,256,659,669.88
  5. Step 5: Solve for x
    x = 85,256,659,669.88/330,292.24
  6. Step 6: Final answer
    x = 258,124.92

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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.