Home / 211,581.60-317,370.96-53,808

Finding the Fourth Proportional to 211,581.60, 317,370.96 and 53,808

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Solution

The fourth proportional to 211,581.60, 317,370.96 and 53,808 is: 80,711.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,581.60 : 317,370.96 = 53,808 : x
  2. Step 2: Convert to fraction form
    211,581.60/317,370.96 = 53,808/x
  3. Step 3: Cross multiply
    211,581.60x = 317,370.96 × 53,808
  4. Step 4: Simplify right side
    211,581.60x = 17,077,096,615.68
  5. Step 5: Solve for x
    x = 17,077,096,615.68/211,581.60
  6. Step 6: Final answer
    x = 80,711.63

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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.