Home / 484,944.84-669,165.02-278,202.52

Finding the Fourth Proportional to 484,944.84, 669,165.02 and 278,202.52

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Solution

The fourth proportional to 484,944.84, 669,165.02 and 278,202.52 is: 383,885.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,944.84 : 669,165.02 = 278,202.52 : x
  2. Step 2: Convert to fraction form
    484,944.84/669,165.02 = 278,202.52/x
  3. Step 3: Cross multiply
    484,944.84x = 669,165.02 × 278,202.52
  4. Step 4: Simplify right side
    484,944.84x = 186,163,394,859.85
  5. Step 5: Solve for x
    x = 186,163,394,859.85/484,944.84
  6. Step 6: Final answer
    x = 383,885.71

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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.