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Finding the Fourth Proportional to 538,659.45, 807,740.73 and 159,444.54

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Solution

The fourth proportional to 538,659.45, 807,740.73 and 159,444.54 is: 239,093.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,659.45 : 807,740.73 = 159,444.54 : x
  2. Step 2: Convert to fraction form
    538,659.45/807,740.73 = 159,444.54/x
  3. Step 3: Cross multiply
    538,659.45x = 807,740.73 × 159,444.54
  4. Step 4: Simplify right side
    538,659.45x = 128,789,849,134.11
  5. Step 5: Solve for x
    x = 128,789,849,134.11/538,659.45
  6. Step 6: Final answer
    x = 239,093.27

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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.