Home / 279,447.18-385,577.31-166,247.82

Finding the Fourth Proportional to 279,447.18, 385,577.31 and 166,247.82

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Solution

The fourth proportional to 279,447.18, 385,577.31 and 166,247.82 is: 229,386.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,447.18 : 385,577.31 = 166,247.82 : x
  2. Step 2: Convert to fraction form
    279,447.18/385,577.31 = 166,247.82/x
  3. Step 3: Cross multiply
    279,447.18x = 385,577.31 × 166,247.82
  4. Step 4: Simplify right side
    279,447.18x = 64,101,387,228.96
  5. Step 5: Solve for x
    x = 64,101,387,228.96/279,447.18
  6. Step 6: Final answer
    x = 229,386.42

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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.