Home / 325,519.40-488,279.10-199,548.20

Finding the Fourth Proportional to 325,519.40, 488,279.10 and 199,548.20

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Solution

The fourth proportional to 325,519.40, 488,279.10 and 199,548.20 is: 299,322.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,519.40 : 488,279.10 = 199,548.20 : x
  2. Step 2: Convert to fraction form
    325,519.40/488,279.10 = 199,548.20/x
  3. Step 3: Cross multiply
    325,519.40x = 488,279.10 × 199,548.20
  4. Step 4: Simplify right side
    325,519.40x = 97,435,215,502.62
  5. Step 5: Solve for x
    x = 97,435,215,502.62/325,519.40
  6. Step 6: Final answer
    x = 299,322.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.