Home / 211,948.88-317,715.96-101,218.64

Finding the Fourth Proportional to 211,948.88, 317,715.96 and 101,218.64

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Solution

The fourth proportional to 211,948.88, 317,715.96 and 101,218.64 is: 151,728.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,948.88 : 317,715.96 = 101,218.64 : x
  2. Step 2: Convert to fraction form
    211,948.88/317,715.96 = 101,218.64/x
  3. Step 3: Cross multiply
    211,948.88x = 317,715.96 × 101,218.64
  4. Step 4: Simplify right side
    211,948.88x = 32,158,777,377.49
  5. Step 5: Solve for x
    x = 32,158,777,377.49/211,948.88
  6. Step 6: Final answer
    x = 151,728.93

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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.