Home / 242,418.12-363,458.19-107,408.79

Finding the Fourth Proportional to 242,418.12, 363,458.19 and 107,408.79

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Solution

The fourth proportional to 242,418.12, 363,458.19 and 107,408.79 is: 161,038.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,418.12 : 363,458.19 = 107,408.79 : x
  2. Step 2: Convert to fraction form
    242,418.12/363,458.19 = 107,408.79/x
  3. Step 3: Cross multiply
    242,418.12x = 363,458.19 × 107,408.79
  4. Step 4: Simplify right side
    242,418.12x = 39,038,604,403.49
  5. Step 5: Solve for x
    x = 39,038,604,403.49/242,418.12
  6. Step 6: Final answer
    x = 161,038.31

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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.