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Finding the Fourth Proportional to 539,331.38, 808,786.79 and 202,188.25

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Solution

The fourth proportional to 539,331.38, 808,786.79 and 202,188.25 is: 303,203.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,331.38 : 808,786.79 = 202,188.25 : x
  2. Step 2: Convert to fraction form
    539,331.38/808,786.79 = 202,188.25/x
  3. Step 3: Cross multiply
    539,331.38x = 808,786.79 × 202,188.25
  4. Step 4: Simplify right side
    539,331.38x = 163,527,186,451.47
  5. Step 5: Solve for x
    x = 163,527,186,451.47/539,331.38
  6. Step 6: Final answer
    x = 303,203.55

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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.