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Finding the Fourth Proportional to 535,193.64, 802,796.22 and 161,219.88

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Solution

The fourth proportional to 535,193.64, 802,796.22 and 161,219.88 is: 241,831.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,193.64 : 802,796.22 = 161,219.88 : x
  2. Step 2: Convert to fraction form
    535,193.64/802,796.22 = 161,219.88/x
  3. Step 3: Cross multiply
    535,193.64x = 802,796.22 × 161,219.88
  4. Step 4: Simplify right side
    535,193.64x = 129,426,710,252.85
  5. Step 5: Solve for x
    x = 129,426,710,252.85/535,193.64
  6. Step 6: Final answer
    x = 241,831.56

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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.