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Finding the Fourth Proportional to 535,194.64, 802,797.72 and 161,220.88

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Solution

The fourth proportional to 535,194.64, 802,797.72 and 161,220.88 is: 241,833.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,194.64 : 802,797.72 = 161,220.88 : x
  2. Step 2: Convert to fraction form
    535,194.64/802,797.72 = 161,220.88/x
  3. Step 3: Cross multiply
    535,194.64x = 802,797.72 × 161,220.88
  4. Step 4: Simplify right side
    535,194.64x = 129,427,754,880.39
  5. Step 5: Solve for x
    x = 129,427,754,880.39/535,194.64
  6. Step 6: Final answer
    x = 241,833.06

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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.