Home / 272,028.90-408,043.35-205,673.70

Finding the Fourth Proportional to 272,028.90, 408,043.35 and 205,673.70

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Solution

The fourth proportional to 272,028.90, 408,043.35 and 205,673.70 is: 308,510.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,028.90 : 408,043.35 = 205,673.70 : x
  2. Step 2: Convert to fraction form
    272,028.90/408,043.35 = 205,673.70/x
  3. Step 3: Cross multiply
    272,028.90x = 408,043.35 × 205,673.70
  4. Step 4: Simplify right side
    272,028.90x = 83,923,785,554.90
  5. Step 5: Solve for x
    x = 83,923,785,554.90/272,028.90
  6. Step 6: Final answer
    x = 308,510.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.