Home / 428,169.63-591,146.36-267,261.11

Finding the Fourth Proportional to 428,169.63, 591,146.36 and 267,261.11

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Solution

The fourth proportional to 428,169.63, 591,146.36 and 267,261.11 is: 368,990.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,169.63 : 591,146.36 = 267,261.11 : x
  2. Step 2: Convert to fraction form
    428,169.63/591,146.36 = 267,261.11/x
  3. Step 3: Cross multiply
    428,169.63x = 591,146.36 × 267,261.11
  4. Step 4: Simplify right side
    428,169.63x = 157,990,428,054.02
  5. Step 5: Solve for x
    x = 157,990,428,054.02/428,169.63
  6. Step 6: Final answer
    x = 368,990.27

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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.