Home / 324,786.08-448,080.36-197,415.20

Finding the Fourth Proportional to 324,786.08, 448,080.36 and 197,415.20

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Solution

The fourth proportional to 324,786.08, 448,080.36 and 197,415.20 is: 272,357.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,786.08 : 448,080.36 = 197,415.20 : x
  2. Step 2: Convert to fraction form
    324,786.08/448,080.36 = 197,415.20/x
  3. Step 3: Cross multiply
    324,786.08x = 448,080.36 × 197,415.20
  4. Step 4: Simplify right side
    324,786.08x = 88,457,873,885.47
  5. Step 5: Solve for x
    x = 88,457,873,885.47/324,786.08
  6. Step 6: Final answer
    x = 272,357.34

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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.