Home / 626,018.88-939,144.96-205,415.04

Finding the Fourth Proportional to 626,018.88, 939,144.96 and 205,415.04

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Solution

The fourth proportional to 626,018.88, 939,144.96 and 205,415.04 is: 308,160.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,018.88 : 939,144.96 = 205,415.04 : x
  2. Step 2: Convert to fraction form
    626,018.88/939,144.96 = 205,415.04/x
  3. Step 3: Cross multiply
    626,018.88x = 939,144.96 × 205,415.04
  4. Step 4: Simplify right side
    626,018.88x = 192,914,499,524.20
  5. Step 5: Solve for x
    x = 192,914,499,524.20/626,018.88
  6. Step 6: Final answer
    x = 308,160.83

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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.