Home / 299,899.03-413,871.78-163,942.20

Finding the Fourth Proportional to 299,899.03, 413,871.78 and 163,942.20

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Solution

The fourth proportional to 299,899.03, 413,871.78 and 163,942.20 is: 226,246.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,899.03 : 413,871.78 = 163,942.20 : x
  2. Step 2: Convert to fraction form
    299,899.03/413,871.78 = 163,942.20/x
  3. Step 3: Cross multiply
    299,899.03x = 413,871.78 × 163,942.20
  4. Step 4: Simplify right side
    299,899.03x = 67,851,050,131.12
  5. Step 5: Solve for x
    x = 67,851,050,131.12/299,899.03
  6. Step 6: Final answer
    x = 226,246.31

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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.