Home / 242,579.80-363,918.30-203,408.20

Finding the Fourth Proportional to 242,579.80, 363,918.30 and 203,408.20

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Solution

The fourth proportional to 242,579.80, 363,918.30 and 203,408.20 is: 305,153.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,579.80 : 363,918.30 = 203,408.20 : x
  2. Step 2: Convert to fraction form
    242,579.80/363,918.30 = 203,408.20/x
  3. Step 3: Cross multiply
    242,579.80x = 363,918.30 × 203,408.20
  4. Step 4: Simplify right side
    242,579.80x = 74,023,966,350.06
  5. Step 5: Solve for x
    x = 74,023,966,350.06/242,579.80
  6. Step 6: Final answer
    x = 305,153.05

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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.