Home / 439,270.74-605,873.25-278,152.02

Finding the Fourth Proportional to 439,270.74, 605,873.25 and 278,152.02

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Solution

The fourth proportional to 439,270.74, 605,873.25 and 278,152.02 is: 383,646.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,270.74 : 605,873.25 = 278,152.02 : x
  2. Step 2: Convert to fraction form
    439,270.74/605,873.25 = 278,152.02/x
  3. Step 3: Cross multiply
    439,270.74x = 605,873.25 × 278,152.02
  4. Step 4: Simplify right side
    439,270.74x = 168,524,868,351.47
  5. Step 5: Solve for x
    x = 168,524,868,351.47/439,270.74
  6. Step 6: Final answer
    x = 383,646.92

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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.