Home / 300,335.15-414,481.75-173,008.55

Finding the Fourth Proportional to 300,335.15, 414,481.75 and 173,008.55

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Solution

The fourth proportional to 300,335.15, 414,481.75 and 173,008.55 is: 238,762.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,335.15 : 414,481.75 = 173,008.55 : x
  2. Step 2: Convert to fraction form
    300,335.15/414,481.75 = 173,008.55/x
  3. Step 3: Cross multiply
    300,335.15x = 414,481.75 × 173,008.55
  4. Step 4: Simplify right side
    300,335.15x = 71,708,883,631.51
  5. Step 5: Solve for x
    x = 71,708,883,631.51/300,335.15
  6. Step 6: Final answer
    x = 238,762.88

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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.