Home / 439,233.12-605,907.31-267,203.70

Finding the Fourth Proportional to 439,233.12, 605,907.31 and 267,203.70

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Solution

The fourth proportional to 439,233.12, 605,907.31 and 267,203.70 is: 368,598.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,233.12 : 605,907.31 = 267,203.70 : x
  2. Step 2: Convert to fraction form
    439,233.12/605,907.31 = 267,203.70/x
  3. Step 3: Cross multiply
    439,233.12x = 605,907.31 × 267,203.70
  4. Step 4: Simplify right side
    439,233.12x = 161,900,675,089.05
  5. Step 5: Solve for x
    x = 161,900,675,089.05/439,233.12
  6. Step 6: Final answer
    x = 368,598.51

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1.5x scale

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.