Home / 211,498.44-317,147.22-122,779.14

Finding the Fourth Proportional to 211,498.44, 317,147.22 and 122,779.14

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Solution

The fourth proportional to 211,498.44, 317,147.22 and 122,779.14 is: 184,110.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,498.44 : 317,147.22 = 122,779.14 : x
  2. Step 2: Convert to fraction form
    211,498.44/317,147.22 = 122,779.14/x
  3. Step 3: Cross multiply
    211,498.44x = 317,147.22 × 122,779.14
  4. Step 4: Simplify right side
    211,498.44x = 38,939,062,924.99
  5. Step 5: Solve for x
    x = 38,939,062,924.99/211,498.44
  6. Step 6: Final answer
    x = 184,110.40

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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.