Home / 483,270.10-666,912.75-268,430.15

Finding the Fourth Proportional to 483,270.10, 666,912.75 and 268,430.15

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Solution

The fourth proportional to 483,270.10, 666,912.75 and 268,430.15 is: 370,433.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,270.10 : 666,912.75 = 268,430.15 : x
  2. Step 2: Convert to fraction form
    483,270.10/666,912.75 = 268,430.15/x
  3. Step 3: Cross multiply
    483,270.10x = 666,912.75 × 268,430.15
  4. Step 4: Simplify right side
    483,270.10x = 179,019,491,186.69
  5. Step 5: Solve for x
    x = 179,019,491,186.69/483,270.10
  6. Step 6: Final answer
    x = 370,433.62

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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.