Home / 211,563.50-317,374.88-61,814.75

Finding the Fourth Proportional to 211,563.50, 317,374.88 and 61,814.75

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Solution

The fourth proportional to 211,563.50, 317,374.88 and 61,814.75 is: 92,730.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,563.50 : 317,374.88 = 61,814.75 : x
  2. Step 2: Convert to fraction form
    211,563.50/317,374.88 = 61,814.75/x
  3. Step 3: Cross multiply
    211,563.50x = 317,374.88 × 61,814.75
  4. Step 4: Simplify right side
    211,563.50x = 19,618,446,967.53
  5. Step 5: Solve for x
    x = 19,618,446,967.53/211,563.50
  6. Step 6: Final answer
    x = 92,730.78

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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.