Home / 211,947.88-317,714.46-101,217.64

Finding the Fourth Proportional to 211,947.88, 317,714.46 and 101,217.64

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Solution

The fourth proportional to 211,947.88, 317,714.46 and 101,217.64 is: 151,727.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,947.88 : 317,714.46 = 101,217.64 : x
  2. Step 2: Convert to fraction form
    211,947.88/317,714.46 = 101,217.64/x
  3. Step 3: Cross multiply
    211,947.88x = 317,714.46 × 101,217.64
  4. Step 4: Simplify right side
    211,947.88x = 32,158,307,835.07
  5. Step 5: Solve for x
    x = 32,158,307,835.07/211,947.88
  6. Step 6: Final answer
    x = 151,727.43

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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.