Home / 242,375.09-363,562.83-115,985.66

Finding the Fourth Proportional to 242,375.09, 363,562.83 and 115,985.66

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Solution

The fourth proportional to 242,375.09, 363,562.83 and 115,985.66 is: 173,978.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,375.09 : 363,562.83 = 115,985.66 : x
  2. Step 2: Convert to fraction form
    242,375.09/363,562.83 = 115,985.66/x
  3. Step 3: Cross multiply
    242,375.09x = 363,562.83 × 115,985.66
  4. Step 4: Simplify right side
    242,375.09x = 42,168,072,971.20
  5. Step 5: Solve for x
    x = 42,168,072,971.20/242,375.09
  6. Step 6: Final answer
    x = 173,978.58

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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.