Home / 340,559.10-469,899.90-197,310.60

Finding the Fourth Proportional to 340,559.10, 469,899.90 and 197,310.60

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Solution

The fourth proportional to 340,559.10, 469,899.90 and 197,310.60 is: 272,247.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,559.10 : 469,899.90 = 197,310.60 : x
  2. Step 2: Convert to fraction form
    340,559.10/469,899.90 = 197,310.60/x
  3. Step 3: Cross multiply
    340,559.10x = 469,899.90 × 197,310.60
  4. Step 4: Simplify right side
    340,559.10x = 92,716,231,208.94
  5. Step 5: Solve for x
    x = 92,716,231,208.94/340,559.10
  6. Step 6: Final answer
    x = 272,247.11

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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.