Home / 283,927.31-391,818.96-163,076.43

Finding the Fourth Proportional to 283,927.31, 391,818.96 and 163,076.43

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Solution

The fourth proportional to 283,927.31, 391,818.96 and 163,076.43 is: 225,045.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,927.31 : 391,818.96 = 163,076.43 : x
  2. Step 2: Convert to fraction form
    283,927.31/391,818.96 = 163,076.43/x
  3. Step 3: Cross multiply
    283,927.31x = 391,818.96 × 163,076.43
  4. Step 4: Simplify right side
    283,927.31x = 63,896,437,203.11
  5. Step 5: Solve for x
    x = 63,896,437,203.11/283,927.31
  6. Step 6: Final answer
    x = 225,045.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.