Home / 211,558.50-317,367.38-61,809.75

Finding the Fourth Proportional to 211,558.50, 317,367.38 and 61,809.75

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Solution

The fourth proportional to 211,558.50, 317,367.38 and 61,809.75 is: 92,723.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,558.50 : 317,367.38 = 61,809.75 : x
  2. Step 2: Convert to fraction form
    211,558.50/317,367.38 = 61,809.75/x
  3. Step 3: Cross multiply
    211,558.50x = 317,367.38 × 61,809.75
  4. Step 4: Simplify right side
    211,558.50x = 19,616,398,415.96
  5. Step 5: Solve for x
    x = 19,616,398,415.96/211,558.50
  6. Step 6: Final answer
    x = 92,723.28

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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.