Home / 211,342.25-317,031.82-53,570.69

Finding the Fourth Proportional to 211,342.25, 317,031.82 and 53,570.69

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Solution

The fourth proportional to 211,342.25, 317,031.82 and 53,570.69 is: 80,360.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,342.25 : 317,031.82 = 53,570.69 : x
  2. Step 2: Convert to fraction form
    211,342.25/317,031.82 = 53,570.69/x
  3. Step 3: Cross multiply
    211,342.25x = 317,031.82 × 53,570.69
  4. Step 4: Simplify right side
    211,342.25x = 16,983,613,349.36
  5. Step 5: Solve for x
    x = 16,983,613,349.36/211,342.25
  6. Step 6: Final answer
    x = 80,360.71

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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.