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Finding the Fourth Proportional to 538,445.82, 808,043.49 and 222,904.38

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Solution

The fourth proportional to 538,445.82, 808,043.49 and 222,904.38 is: 334,511.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,445.82 : 808,043.49 = 222,904.38 : x
  2. Step 2: Convert to fraction form
    538,445.82/808,043.49 = 222,904.38/x
  3. Step 3: Cross multiply
    538,445.82x = 808,043.49 × 222,904.38
  4. Step 4: Simplify right side
    538,445.82x = 180,116,433,151.49
  5. Step 5: Solve for x
    x = 180,116,433,151.49/538,445.82
  6. Step 6: Final answer
    x = 334,511.71

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1.5x scale

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.