Home / 340,245.98-469,508.88-197,015.66

Finding the Fourth Proportional to 340,245.98, 469,508.88 and 197,015.66

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Solution

The fourth proportional to 340,245.98, 469,508.88 and 197,015.66 is: 271,863.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,245.98 : 469,508.88 = 197,015.66 : x
  2. Step 2: Convert to fraction form
    340,245.98/469,508.88 = 197,015.66/x
  3. Step 3: Cross multiply
    340,245.98x = 469,508.88 × 197,015.66
  4. Step 4: Simplify right side
    340,245.98x = 92,500,601,869.06
  5. Step 5: Solve for x
    x = 92,500,601,869.06/340,245.98
  6. Step 6: Final answer
    x = 271,863.91

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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.