Home / 445,083.93-667,667.07-145,566.18

Finding the Fourth Proportional to 445,083.93, 667,667.07 and 145,566.18

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Solution

The fourth proportional to 445,083.93, 667,667.07 and 145,566.18 is: 218,362.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,083.93 : 667,667.07 = 145,566.18 : x
  2. Step 2: Convert to fraction form
    445,083.93/667,667.07 = 145,566.18/x
  3. Step 3: Cross multiply
    445,083.93x = 667,667.07 × 145,566.18
  4. Step 4: Simplify right side
    445,083.93x = 97,189,744,891.69
  5. Step 5: Solve for x
    x = 97,189,744,891.69/445,083.93
  6. Step 6: Final answer
    x = 218,362.74

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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.