Home / 535,039.97-802,886.04-215,131.86

Finding the Fourth Proportional to 535,039.97, 802,886.04 and 215,131.86

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Solution

The fourth proportional to 535,039.97, 802,886.04 and 215,131.86 is: 322,828.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,039.97 : 802,886.04 = 215,131.86 : x
  2. Step 2: Convert to fraction form
    535,039.97/802,886.04 = 215,131.86/x
  3. Step 3: Cross multiply
    535,039.97x = 802,886.04 × 215,131.86
  4. Step 4: Simplify right side
    535,039.97x = 172,726,367,153.23
  5. Step 5: Solve for x
    x = 172,726,367,153.23/535,039.97
  6. Step 6: Final answer
    x = 322,828.90

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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.