Home / 324,679.20-448,056-181,439.21

Finding the Fourth Proportional to 324,679.20, 448,056 and 181,439.21

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Solution

The fourth proportional to 324,679.20, 448,056 and 181,439.21 is: 250,385.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,679.20 : 448,056 = 181,439.21 : x
  2. Step 2: Convert to fraction form
    324,679.20/448,056 = 181,439.21/x
  3. Step 3: Cross multiply
    324,679.20x = 448,056 × 181,439.21
  4. Step 4: Simplify right side
    324,679.20x = 81,294,924,435.48
  5. Step 5: Solve for x
    x = 81,294,924,435.48/324,679.20
  6. Step 6: Final answer
    x = 250,385.38

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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.