Home / 436,216.58-654,429.28-211,314.12

Finding the Fourth Proportional to 436,216.58, 654,429.28 and 211,314.12

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Solution

The fourth proportional to 436,216.58, 654,429.28 and 211,314.12 is: 317,021.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,216.58 : 654,429.28 = 211,314.12 : x
  2. Step 2: Convert to fraction form
    436,216.58/654,429.28 = 211,314.12/x
  3. Step 3: Cross multiply
    436,216.58x = 654,429.28 × 211,314.12
  4. Step 4: Simplify right side
    436,216.58x = 138,290,147,405.43
  5. Step 5: Solve for x
    x = 138,290,147,405.43/436,216.58
  6. Step 6: Final answer
    x = 317,021.76

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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.