Home / 242,727.88-334,968.89-135,286.38

Finding the Fourth Proportional to 242,727.88, 334,968.89 and 135,286.38

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Solution

The fourth proportional to 242,727.88, 334,968.89 and 135,286.38 is: 186,697.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,727.88 : 334,968.89 = 135,286.38 : x
  2. Step 2: Convert to fraction form
    242,727.88/334,968.89 = 135,286.38/x
  3. Step 3: Cross multiply
    242,727.88x = 334,968.89 × 135,286.38
  4. Step 4: Simplify right side
    242,727.88x = 45,316,729,327.28
  5. Step 5: Solve for x
    x = 45,316,729,327.28/242,727.88
  6. Step 6: Final answer
    x = 186,697.67

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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.