Home / 330,293.24-455,789.41-187,054.31

Finding the Fourth Proportional to 330,293.24, 455,789.41 and 187,054.31

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Solution

The fourth proportional to 330,293.24, 455,789.41 and 187,054.31 is: 258,126.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,293.24 : 455,789.41 = 187,054.31 : x
  2. Step 2: Convert to fraction form
    330,293.24/455,789.41 = 187,054.31/x
  3. Step 3: Cross multiply
    330,293.24x = 455,789.41 × 187,054.31
  4. Step 4: Simplify right side
    330,293.24x = 85,257,373,592.86
  5. Step 5: Solve for x
    x = 85,257,373,592.86/330,293.24
  6. Step 6: Final answer
    x = 258,126.30

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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.