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Finding the Fourth Proportional to 242,610.86, 334,805.22 and 133,719.08

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Solution

The fourth proportional to 242,610.86, 334,805.22 and 133,719.08 is: 184,533.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,610.86 : 334,805.22 = 133,719.08 : x
  2. Step 2: Convert to fraction form
    242,610.86/334,805.22 = 133,719.08/x
  3. Step 3: Cross multiply
    242,610.86x = 334,805.22 × 133,719.08
  4. Step 4: Simplify right side
    242,610.86x = 44,769,845,997.60
  5. Step 5: Solve for x
    x = 44,769,845,997.60/242,610.86
  6. Step 6: Final answer
    x = 184,533.56

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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.