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Finding the Fourth Proportional to 242,852.55, 335,096.24 and 135,419.55

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Solution

The fourth proportional to 242,852.55, 335,096.24 and 135,419.55 is: 186,856.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,852.55 : 335,096.24 = 135,419.55 : x
  2. Step 2: Convert to fraction form
    242,852.55/335,096.24 = 135,419.55/x
  3. Step 3: Cross multiply
    242,852.55x = 335,096.24 × 135,419.55
  4. Step 4: Simplify right side
    242,852.55x = 45,378,581,350.39
  5. Step 5: Solve for x
    x = 45,378,581,350.39/242,852.55
  6. Step 6: Final answer
    x = 186,856.52

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1.5x scale

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.