Home / 211,512.50-317,277.40-53,745.02

Finding the Fourth Proportional to 211,512.50, 317,277.40 and 53,745.02

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Solution

The fourth proportional to 211,512.50, 317,277.40 and 53,745.02 is: 80,619.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,512.50 : 317,277.40 = 53,745.02 : x
  2. Step 2: Convert to fraction form
    211,512.50/317,277.40 = 53,745.02/x
  3. Step 3: Cross multiply
    211,512.50x = 317,277.40 × 53,745.02
  4. Step 4: Simplify right side
    211,512.50x = 17,052,080,208.55
  5. Step 5: Solve for x
    x = 17,052,080,208.55/211,512.50
  6. Step 6: Final answer
    x = 80,619.73

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1.5x scale

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.