Home / 538,188.82-807,263.03-133,382.36

Finding the Fourth Proportional to 538,188.82, 807,263.03 and 133,382.36

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Solution

The fourth proportional to 538,188.82, 807,263.03 and 133,382.36 is: 200,068.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,188.82 : 807,263.03 = 133,382.36 : x
  2. Step 2: Convert to fraction form
    538,188.82/807,263.03 = 133,382.36/x
  3. Step 3: Cross multiply
    538,188.82x = 807,263.03 × 133,382.36
  4. Step 4: Simplify right side
    538,188.82x = 107,674,644,379.29
  5. Step 5: Solve for x
    x = 107,674,644,379.29/538,188.82
  6. Step 6: Final answer
    x = 200,068.53

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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.