Home / 211,479.44-317,118.72-122,760.16

Finding the Fourth Proportional to 211,479.44, 317,118.72 and 122,760.16

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Solution

The fourth proportional to 211,479.44, 317,118.72 and 122,760.16 is: 184,081.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,479.44 : 317,118.72 = 122,760.16 : x
  2. Step 2: Convert to fraction form
    211,479.44/317,118.72 = 122,760.16/x
  3. Step 3: Cross multiply
    211,479.44x = 317,118.72 × 122,760.16
  4. Step 4: Simplify right side
    211,479.44x = 38,929,544,806.20
  5. Step 5: Solve for x
    x = 38,929,544,806.20/211,479.44
  6. Step 6: Final answer
    x = 184,081.94

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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.