Home / 211,348.08-317,066.88-78,229.44

Finding the Fourth Proportional to 211,348.08, 317,066.88 and 78,229.44

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Solution

The fourth proportional to 211,348.08, 317,066.88 and 78,229.44 is: 117,360.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,348.08 : 317,066.88 = 78,229.44 : x
  2. Step 2: Convert to fraction form
    211,348.08/317,066.88 = 78,229.44/x
  3. Step 3: Cross multiply
    211,348.08x = 317,066.88 × 78,229.44
  4. Step 4: Simplify right side
    211,348.08x = 24,803,964,464.95
  5. Step 5: Solve for x
    x = 24,803,964,464.95/211,348.08
  6. Step 6: Final answer
    x = 117,360.73

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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.