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Finding the Fourth Proportional to 538,965.06, 808,447.59 and 164,939.46

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Solution

The fourth proportional to 538,965.06, 808,447.59 and 164,939.46 is: 247,409.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,965.06 : 808,447.59 = 164,939.46 : x
  2. Step 2: Convert to fraction form
    538,965.06/808,447.59 = 164,939.46/x
  3. Step 3: Cross multiply
    538,965.06x = 808,447.59 × 164,939.46
  4. Step 4: Simplify right side
    538,965.06x = 133,344,908,932.90
  5. Step 5: Solve for x
    x = 133,344,908,932.90/538,965.06
  6. Step 6: Final answer
    x = 247,409.19

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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.