Home / 450,955.56-676,537-135,418.44

Finding the Fourth Proportional to 450,955.56, 676,537 and 135,418.44

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Solution

The fourth proportional to 450,955.56, 676,537 and 135,418.44 is: 203,158.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,955.56 : 676,537 = 135,418.44 : x
  2. Step 2: Convert to fraction form
    450,955.56/676,537 = 135,418.44/x
  3. Step 3: Cross multiply
    450,955.56x = 676,537 × 135,418.44
  4. Step 4: Simplify right side
    450,955.56x = 91,615,585,142.28
  5. Step 5: Solve for x
    x = 91,615,585,142.28/450,955.56
  6. Step 6: Final answer
    x = 203,158.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.