Home / 455,180.40-682,552.50-215,094.48

Finding the Fourth Proportional to 455,180.40, 682,552.50 and 215,094.48

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Solution

The fourth proportional to 455,180.40, 682,552.50 and 215,094.48 is: 322,538.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,180.40 : 682,552.50 = 215,094.48 : x
  2. Step 2: Convert to fraction form
    455,180.40/682,552.50 = 215,094.48/x
  3. Step 3: Cross multiply
    455,180.40x = 682,552.50 × 215,094.48
  4. Step 4: Simplify right side
    455,180.40x = 146,813,275,060.20
  5. Step 5: Solve for x
    x = 146,813,275,060.20/455,180.40
  6. Step 6: Final answer
    x = 322,538.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.