Home / 344,540.12-475,611.18-323,017.88

Finding the Fourth Proportional to 344,540.12, 475,611.18 and 323,017.88

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Solution

The fourth proportional to 344,540.12, 475,611.18 and 323,017.88 is: 445,901.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,540.12 : 475,611.18 = 323,017.88 : x
  2. Step 2: Convert to fraction form
    344,540.12/475,611.18 = 323,017.88/x
  3. Step 3: Cross multiply
    344,540.12x = 475,611.18 × 323,017.88
  4. Step 4: Simplify right side
    344,540.12x = 153,630,915,067.90
  5. Step 5: Solve for x
    x = 153,630,915,067.90/344,540.12
  6. Step 6: Final answer
    x = 445,901.38

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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.