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Finding the Fourth Proportional to 242,657.37, 334,892.25 and 145,892.88

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Solution

The fourth proportional to 242,657.37, 334,892.25 and 145,892.88 is: 201,347.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,657.37 : 334,892.25 = 145,892.88 : x
  2. Step 2: Convert to fraction form
    242,657.37/334,892.25 = 145,892.88/x
  3. Step 3: Cross multiply
    242,657.37x = 334,892.25 × 145,892.88
  4. Step 4: Simplify right side
    242,657.37x = 48,858,394,842.18
  5. Step 5: Solve for x
    x = 48,858,394,842.18/242,657.37
  6. Step 6: Final answer
    x = 201,347.25

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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.