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Finding the Fourth Proportional to 538,927.82, 808,169.31 and 183,970.43

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Solution

The fourth proportional to 538,927.82, 808,169.31 and 183,970.43 is: 275,879.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,927.82 : 808,169.31 = 183,970.43 : x
  2. Step 2: Convert to fraction form
    538,927.82/808,169.31 = 183,970.43/x
  3. Step 3: Cross multiply
    538,927.82x = 808,169.31 × 183,970.43
  4. Step 4: Simplify right side
    538,927.82x = 148,679,251,432.66
  5. Step 5: Solve for x
    x = 148,679,251,432.66/538,927.82
  6. Step 6: Final answer
    x = 275,879.71

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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.