Home / 482,669.55-666,086.90-267,813.81

Finding the Fourth Proportional to 482,669.55, 666,086.90 and 267,813.81

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Solution

The fourth proportional to 482,669.55, 666,086.90 and 267,813.81 is: 369,584.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,669.55 : 666,086.90 = 267,813.81 : x
  2. Step 2: Convert to fraction form
    482,669.55/666,086.90 = 267,813.81/x
  3. Step 3: Cross multiply
    482,669.55x = 666,086.90 × 267,813.81
  4. Step 4: Simplify right side
    482,669.55x = 178,387,269,141.02
  5. Step 5: Solve for x
    x = 178,387,269,141.02/482,669.55
  6. Step 6: Final answer
    x = 369,584.68

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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.