Home / 415,944.44-623,968.50-135,386.36

Finding the Fourth Proportional to 415,944.44, 623,968.50 and 135,386.36

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Solution

The fourth proportional to 415,944.44, 623,968.50 and 135,386.36 is: 203,096.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,944.44 : 623,968.50 = 135,386.36 : x
  2. Step 2: Convert to fraction form
    415,944.44/623,968.50 = 135,386.36/x
  3. Step 3: Cross multiply
    415,944.44x = 623,968.50 × 135,386.36
  4. Step 4: Simplify right side
    415,944.44x = 84,476,823,969.66
  5. Step 5: Solve for x
    x = 84,476,823,969.66/415,944.44
  6. Step 6: Final answer
    x = 203,096.41

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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.