Home / 307,439.49-461,224.89-107,772.06

Finding the Fourth Proportional to 307,439.49, 461,224.89 and 107,772.06

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Solution

The fourth proportional to 307,439.49, 461,224.89 and 107,772.06 is: 161,681.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,439.49 : 461,224.89 = 107,772.06 : x
  2. Step 2: Convert to fraction form
    307,439.49/461,224.89 = 107,772.06/x
  3. Step 3: Cross multiply
    307,439.49x = 461,224.89 × 107,772.06
  4. Step 4: Simplify right side
    307,439.49x = 49,707,156,518.57
  5. Step 5: Solve for x
    x = 49,707,156,518.57/307,439.49
  6. Step 6: Final answer
    x = 161,681.11

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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.