Home / 272,260.90-408,063.30-139,072.60

Finding the Fourth Proportional to 272,260.90, 408,063.30 and 139,072.60

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Solution

The fourth proportional to 272,260.90, 408,063.30 and 139,072.60 is: 208,441.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,260.90 : 408,063.30 = 139,072.60 : x
  2. Step 2: Convert to fraction form
    272,260.90/408,063.30 = 139,072.60/x
  3. Step 3: Cross multiply
    272,260.90x = 408,063.30 × 139,072.60
  4. Step 4: Simplify right side
    272,260.90x = 56,750,424,095.58
  5. Step 5: Solve for x
    x = 56,750,424,095.58/272,260.90
  6. Step 6: Final answer
    x = 208,441.33

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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.