Home / 334,587.40-501,872.89-81,865.88

Finding the Fourth Proportional to 334,587.40, 501,872.89 and 81,865.88

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Solution

The fourth proportional to 334,587.40, 501,872.89 and 81,865.88 is: 122,796.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,587.40 : 501,872.89 = 81,865.88 : x
  2. Step 2: Convert to fraction form
    334,587.40/501,872.89 = 81,865.88/x
  3. Step 3: Cross multiply
    334,587.40x = 501,872.89 × 81,865.88
  4. Step 4: Simplify right side
    334,587.40x = 41,086,265,787.99
  5. Step 5: Solve for x
    x = 41,086,265,787.99/334,587.40
  6. Step 6: Final answer
    x = 122,796.81

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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.