Home / 263,328.60-394,984.02-105,514.68

Finding the Fourth Proportional to 263,328.60, 394,984.02 and 105,514.68

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Solution

The fourth proportional to 263,328.60, 394,984.02 and 105,514.68 is: 158,268.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,328.60 : 394,984.02 = 105,514.68 : x
  2. Step 2: Convert to fraction form
    263,328.60/394,984.02 = 105,514.68/x
  3. Step 3: Cross multiply
    263,328.60x = 394,984.02 × 105,514.68
  4. Step 4: Simplify right side
    263,328.60x = 41,676,612,475.41
  5. Step 5: Solve for x
    x = 41,676,612,475.41/263,328.60
  6. Step 6: Final answer
    x = 158,268.46

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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.