Home / 263,340.60-395,002.02-105,526.68

Finding the Fourth Proportional to 263,340.60, 395,002.02 and 105,526.68

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Solution

The fourth proportional to 263,340.60, 395,002.02 and 105,526.68 is: 158,286.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,340.60 : 395,002.02 = 105,526.68 : x
  2. Step 2: Convert to fraction form
    263,340.60/395,002.02 = 105,526.68/x
  3. Step 3: Cross multiply
    263,340.60x = 395,002.02 × 105,526.68
  4. Step 4: Simplify right side
    263,340.60x = 41,683,251,763.89
  5. Step 5: Solve for x
    x = 41,683,251,763.89/263,340.60
  6. Step 6: Final answer
    x = 158,286.46

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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.