Home / 231,839.80-346,787.70-208,317.40

Finding the Fourth Proportional to 231,839.80, 346,787.70 and 208,317.40

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Solution

The fourth proportional to 231,839.80, 346,787.70 and 208,317.40 is: 311,602.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,839.80 : 346,787.70 = 208,317.40 : x
  2. Step 2: Convert to fraction form
    231,839.80/346,787.70 = 208,317.40/x
  3. Step 3: Cross multiply
    231,839.80x = 346,787.70 × 208,317.40
  4. Step 4: Simplify right side
    231,839.80x = 72,241,912,015.98
  5. Step 5: Solve for x
    x = 72,241,912,015.98/231,839.80
  6. Step 6: Final answer
    x = 311,602.72

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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.