Home / 211,348.85-317,028.74-53,589.60

Finding the Fourth Proportional to 211,348.85, 317,028.74 and 53,589.60

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Solution

The fourth proportional to 211,348.85, 317,028.74 and 53,589.60 is: 80,385.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,348.85 : 317,028.74 = 53,589.60 : x
  2. Step 2: Convert to fraction form
    211,348.85/317,028.74 = 53,589.60/x
  3. Step 3: Cross multiply
    211,348.85x = 317,028.74 × 53,589.60
  4. Step 4: Simplify right side
    211,348.85x = 16,989,443,097.16
  5. Step 5: Solve for x
    x = 16,989,443,097.16/211,348.85
  6. Step 6: Final answer
    x = 80,385.79

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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.