Home / 212,237.30-318,367.30-54,467.12

Finding the Fourth Proportional to 212,237.30, 318,367.30 and 54,467.12

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Solution

The fourth proportional to 212,237.30, 318,367.30 and 54,467.12 is: 81,703.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,237.30 : 318,367.30 = 54,467.12 : x
  2. Step 2: Convert to fraction form
    212,237.30/318,367.30 = 54,467.12/x
  3. Step 3: Cross multiply
    212,237.30x = 318,367.30 × 54,467.12
  4. Step 4: Simplify right side
    212,237.30x = 17,340,549,933.18
  5. Step 5: Solve for x
    x = 17,340,549,933.18/212,237.30
  6. Step 6: Final answer
    x = 81,703.59

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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.