Home / 242,919.07-335,228.90-135,496.06

Finding the Fourth Proportional to 242,919.07, 335,228.90 and 135,496.06

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Solution

The fourth proportional to 242,919.07, 335,228.90 and 135,496.06 is: 186,984.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,919.07 : 335,228.90 = 135,496.06 : x
  2. Step 2: Convert to fraction form
    242,919.07/335,228.90 = 135,496.06/x
  3. Step 3: Cross multiply
    242,919.07x = 335,228.90 × 135,496.06
  4. Step 4: Simplify right side
    242,919.07x = 45,422,193,632.58
  5. Step 5: Solve for x
    x = 45,422,193,632.58/242,919.07
  6. Step 6: Final answer
    x = 186,984.88

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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.