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Finding the Fourth Proportional to 538,019.95, 806,841.33 and 158,839.51

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Solution

The fourth proportional to 538,019.95, 806,841.33 and 158,839.51 is: 238,203.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,019.95 : 806,841.33 = 158,839.51 : x
  2. Step 2: Convert to fraction form
    538,019.95/806,841.33 = 158,839.51/x
  3. Step 3: Cross multiply
    538,019.95x = 806,841.33 × 158,839.51
  4. Step 4: Simplify right side
    538,019.95x = 128,158,281,504.95
  5. Step 5: Solve for x
    x = 128,158,281,504.95/538,019.95
  6. Step 6: Final answer
    x = 238,203.59

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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.