Home / 375,938.12-518,787.84-212,592.12

Finding the Fourth Proportional to 375,938.12, 518,787.84 and 212,592.12

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Solution

The fourth proportional to 375,938.12, 518,787.84 and 212,592.12 is: 293,373.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,938.12 : 518,787.84 = 212,592.12 : x
  2. Step 2: Convert to fraction form
    375,938.12/518,787.84 = 212,592.12/x
  3. Step 3: Cross multiply
    375,938.12x = 518,787.84 × 212,592.12
  4. Step 4: Simplify right side
    375,938.12x = 110,290,205,850.85
  5. Step 5: Solve for x
    x = 110,290,205,850.85/375,938.12
  6. Step 6: Final answer
    x = 293,373.29

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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.