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Finding the Fourth Proportional to 300,334.90, 414,481.40 and 173,008.30

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Solution

The fourth proportional to 300,334.90, 414,481.40 and 173,008.30 is: 238,762.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,334.90 : 414,481.40 = 173,008.30 : x
  2. Step 2: Convert to fraction form
    300,334.90/414,481.40 = 173,008.30/x
  3. Step 3: Cross multiply
    300,334.90x = 414,481.40 × 173,008.30
  4. Step 4: Simplify right side
    300,334.90x = 71,708,720,323.21
  5. Step 5: Solve for x
    x = 71,708,720,323.21/300,334.90
  6. Step 6: Final answer
    x = 238,762.53

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1.5x scale

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.