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Finding the Fourth Proportional to 535,037.97, 802,883.04 and 215,129.86

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Solution

The fourth proportional to 535,037.97, 802,883.04 and 215,129.86 is: 322,825.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,037.97 : 802,883.04 = 215,129.86 : x
  2. Step 2: Convert to fraction form
    535,037.97/802,883.04 = 215,129.86/x
  3. Step 3: Cross multiply
    535,037.97x = 802,883.04 × 215,129.86
  4. Step 4: Simplify right side
    535,037.97x = 172,724,113,177.63
  5. Step 5: Solve for x
    x = 172,724,113,177.63/535,037.97
  6. Step 6: Final answer
    x = 322,825.90

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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.