Home / 407,147.31-610,622.55-170,667

Finding the Fourth Proportional to 407,147.31, 610,622.55 and 170,667

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Solution

The fourth proportional to 407,147.31, 610,622.55 and 170,667 is: 255,959.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,147.31 : 610,622.55 = 170,667 : x
  2. Step 2: Convert to fraction form
    407,147.31/610,622.55 = 170,667/x
  3. Step 3: Cross multiply
    407,147.31x = 610,622.55 × 170,667
  4. Step 4: Simplify right side
    407,147.31x = 104,213,118,740.85
  5. Step 5: Solve for x
    x = 104,213,118,740.85/407,147.31
  6. Step 6: Final answer
    x = 255,959.25

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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.