Home / 465,840.86-642,796.16-272,202.12

Finding the Fourth Proportional to 465,840.86, 642,796.16 and 272,202.12

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Solution

The fourth proportional to 465,840.86, 642,796.16 and 272,202.12 is: 375,601.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,840.86 : 642,796.16 = 272,202.12 : x
  2. Step 2: Convert to fraction form
    465,840.86/642,796.16 = 272,202.12/x
  3. Step 3: Cross multiply
    465,840.86x = 642,796.16 × 272,202.12
  4. Step 4: Simplify right side
    465,840.86x = 174,970,476,118.85
  5. Step 5: Solve for x
    x = 174,970,476,118.85/465,840.86
  6. Step 6: Final answer
    x = 375,601.40

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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.