Home / 242,628.27-334,837.32-135,198.39

Finding the Fourth Proportional to 242,628.27, 334,837.32 and 135,198.39

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Solution

The fourth proportional to 242,628.27, 334,837.32 and 135,198.39 is: 186,579.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,628.27 : 334,837.32 = 135,198.39 : x
  2. Step 2: Convert to fraction form
    242,628.27/334,837.32 = 135,198.39/x
  3. Step 3: Cross multiply
    242,628.27x = 334,837.32 × 135,198.39
  4. Step 4: Simplify right side
    242,628.27x = 45,269,466,575.91
  5. Step 5: Solve for x
    x = 45,269,466,575.91/242,628.27
  6. Step 6: Final answer
    x = 186,579.52

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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.