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Finding the Fourth Proportional to 539,331.32, 808,786.71 and 202,188.18

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Solution

The fourth proportional to 539,331.32, 808,786.71 and 202,188.18 is: 303,203.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,331.32 : 808,786.71 = 202,188.18 : x
  2. Step 2: Convert to fraction form
    539,331.32/808,786.71 = 202,188.18/x
  3. Step 3: Cross multiply
    539,331.32x = 808,786.71 × 202,188.18
  4. Step 4: Simplify right side
    539,331.32x = 163,527,111,892.15
  5. Step 5: Solve for x
    x = 163,527,111,892.15/539,331.32
  6. Step 6: Final answer
    x = 303,203.44

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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.