Home / 334,939.05-501,823.56-279,137.75

Finding the Fourth Proportional to 334,939.05, 501,823.56 and 279,137.75

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Solution

The fourth proportional to 334,939.05, 501,823.56 and 279,137.75 is: 418,219.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,939.05 : 501,823.56 = 279,137.75 : x
  2. Step 2: Convert to fraction form
    334,939.05/501,823.56 = 279,137.75/x
  3. Step 3: Cross multiply
    334,939.05x = 501,823.56 × 279,137.75
  4. Step 4: Simplify right side
    334,939.05x = 140,077,897,761.34
  5. Step 5: Solve for x
    x = 140,077,897,761.34/334,939.05
  6. Step 6: Final answer
    x = 418,219.06

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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.