Home / 334,943.90-501,830.82-279,142.59

Finding the Fourth Proportional to 334,943.90, 501,830.82 and 279,142.59

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Solution

The fourth proportional to 334,943.90, 501,830.82 and 279,142.59 is: 418,226.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,943.90 : 501,830.82 = 279,142.59 : x
  2. Step 2: Convert to fraction form
    334,943.90/501,830.82 = 279,142.59/x
  3. Step 3: Cross multiply
    334,943.90x = 501,830.82 × 279,142.59
  4. Step 4: Simplify right side
    334,943.90x = 140,082,354,836.62
  5. Step 5: Solve for x
    x = 140,082,354,836.62/334,943.90
  6. Step 6: Final answer
    x = 418,226.32

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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.