Home / 445,269.06-667,838.99-145,761.50

Finding the Fourth Proportional to 445,269.06, 667,838.99 and 145,761.50

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Solution

The fourth proportional to 445,269.06, 667,838.99 and 145,761.50 is: 218,621.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,269.06 : 667,838.99 = 145,761.50 : x
  2. Step 2: Convert to fraction form
    445,269.06/667,838.99 = 145,761.50/x
  3. Step 3: Cross multiply
    445,269.06x = 667,838.99 × 145,761.50
  4. Step 4: Simplify right side
    445,269.06x = 97,345,214,974.89
  5. Step 5: Solve for x
    x = 97,345,214,974.89/445,269.06
  6. Step 6: Final answer
    x = 218,621.11

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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.