Home / 211,779.24-317,668.98-132,948.83

Finding the Fourth Proportional to 211,779.24, 317,668.98 and 132,948.83

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Solution

The fourth proportional to 211,779.24, 317,668.98 and 132,948.83 is: 199,423.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,779.24 : 317,668.98 = 132,948.83 : x
  2. Step 2: Convert to fraction form
    211,779.24/317,668.98 = 132,948.83/x
  3. Step 3: Cross multiply
    211,779.24x = 317,668.98 × 132,948.83
  4. Step 4: Simplify right side
    211,779.24x = 42,233,717,629.95
  5. Step 5: Solve for x
    x = 42,233,717,629.95/211,779.24
  6. Step 6: Final answer
    x = 199,423.31

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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.