Home / 330,221.52-455,707.48-187,009.44

Finding the Fourth Proportional to 330,221.52, 455,707.48 and 187,009.44

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Solution

The fourth proportional to 330,221.52, 455,707.48 and 187,009.44 is: 258,074.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,221.52 : 455,707.48 = 187,009.44 : x
  2. Step 2: Convert to fraction form
    330,221.52/455,707.48 = 187,009.44/x
  3. Step 3: Cross multiply
    330,221.52x = 455,707.48 × 187,009.44
  4. Step 4: Simplify right side
    330,221.52x = 85,221,600,638.61
  5. Step 5: Solve for x
    x = 85,221,600,638.61/330,221.52
  6. Step 6: Final answer
    x = 258,074.04

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1.5x scale

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.