Home / 211,867.20-317,541.60-93,412.80

Finding the Fourth Proportional to 211,867.20, 317,541.60 and 93,412.80

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Solution

The fourth proportional to 211,867.20, 317,541.60 and 93,412.80 is: 140,004.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,867.20 : 317,541.60 = 93,412.80 : x
  2. Step 2: Convert to fraction form
    211,867.20/317,541.60 = 93,412.80/x
  3. Step 3: Cross multiply
    211,867.20x = 317,541.60 × 93,412.80
  4. Step 4: Simplify right side
    211,867.20x = 29,662,449,972.48
  5. Step 5: Solve for x
    x = 29,662,449,972.48/211,867.20
  6. Step 6: Final answer
    x = 140,004.92

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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.