Home / 263,459.34-395,190.02-63,779.40

Finding the Fourth Proportional to 263,459.34, 395,190.02 and 63,779.40

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Solution

The fourth proportional to 263,459.34, 395,190.02 and 63,779.40 is: 95,669.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,459.34 : 395,190.02 = 63,779.40 : x
  2. Step 2: Convert to fraction form
    263,459.34/395,190.02 = 63,779.40/x
  3. Step 3: Cross multiply
    263,459.34x = 395,190.02 × 63,779.40
  4. Step 4: Simplify right side
    263,459.34x = 25,204,982,361.59
  5. Step 5: Solve for x
    x = 25,204,982,361.59/263,459.34
  6. Step 6: Final answer
    x = 95,669.34

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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.