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Finding the Fourth Proportional to 538,448.82, 808,047.99 and 222,907.38

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Solution

The fourth proportional to 538,448.82, 808,047.99 and 222,907.38 is: 334,516.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,448.82 : 808,047.99 = 222,907.38 : x
  2. Step 2: Convert to fraction form
    538,448.82/808,047.99 = 222,907.38/x
  3. Step 3: Cross multiply
    538,448.82x = 808,047.99 × 222,907.38
  4. Step 4: Simplify right side
    538,448.82x = 180,119,860,365.17
  5. Step 5: Solve for x
    x = 180,119,860,365.17/538,448.82
  6. Step 6: Final answer
    x = 334,516.21

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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.