Home / 465,186.02-641,972.21-261,272.86

Finding the Fourth Proportional to 465,186.02, 641,972.21 and 261,272.86

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Solution

The fourth proportional to 465,186.02, 641,972.21 and 261,272.86 is: 360,565.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,186.02 : 641,972.21 = 261,272.86 : x
  2. Step 2: Convert to fraction form
    465,186.02/641,972.21 = 261,272.86/x
  3. Step 3: Cross multiply
    465,186.02x = 641,972.21 × 261,272.86
  4. Step 4: Simplify right side
    465,186.02x = 167,729,912,435.93
  5. Step 5: Solve for x
    x = 167,729,912,435.93/465,186.02
  6. Step 6: Final answer
    x = 360,565.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.