Home / 324,142.23-447,347.37-180,915.60

Finding the Fourth Proportional to 324,142.23, 447,347.37 and 180,915.60

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Solution

The fourth proportional to 324,142.23, 447,347.37 and 180,915.60 is: 249,680.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,142.23 : 447,347.37 = 180,915.60 : x
  2. Step 2: Convert to fraction form
    324,142.23/447,347.37 = 180,915.60/x
  3. Step 3: Cross multiply
    324,142.23x = 447,347.37 × 180,915.60
  4. Step 4: Simplify right side
    324,142.23x = 80,932,117,851.97
  5. Step 5: Solve for x
    x = 80,932,117,851.97/324,142.23
  6. Step 6: Final answer
    x = 249,680.88

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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.