Home / 211,259.22-316,889.55-53,487.60

Finding the Fourth Proportional to 211,259.22, 316,889.55 and 53,487.60

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Solution

The fourth proportional to 211,259.22, 316,889.55 and 53,487.60 is: 80,231.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,259.22 : 316,889.55 = 53,487.60 : x
  2. Step 2: Convert to fraction form
    211,259.22/316,889.55 = 53,487.60/x
  3. Step 3: Cross multiply
    211,259.22x = 316,889.55 × 53,487.60
  4. Step 4: Simplify right side
    211,259.22x = 16,949,661,494.58
  5. Step 5: Solve for x
    x = 16,949,661,494.58/211,259.22
  6. Step 6: Final answer
    x = 80,231.58

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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.