Home / 484,836.21-669,072.29-269,978.85

Finding the Fourth Proportional to 484,836.21, 669,072.29 and 269,978.85

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Solution

The fourth proportional to 484,836.21, 669,072.29 and 269,978.85 is: 372,569.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,836.21 : 669,072.29 = 269,978.85 : x
  2. Step 2: Convert to fraction form
    484,836.21/669,072.29 = 269,978.85/x
  3. Step 3: Cross multiply
    484,836.21x = 669,072.29 × 269,978.85
  4. Step 4: Simplify right side
    484,836.21x = 180,635,366,071.17
  5. Step 5: Solve for x
    x = 180,635,366,071.17/484,836.21
  6. Step 6: Final answer
    x = 372,569.87

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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.