Home / 211,227.60-316,829.88-70,971.60

Finding the Fourth Proportional to 211,227.60, 316,829.88 and 70,971.60

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Solution

The fourth proportional to 211,227.60, 316,829.88 and 70,971.60 is: 106,453.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,227.60 : 316,829.88 = 70,971.60 : x
  2. Step 2: Convert to fraction form
    211,227.60/316,829.88 = 70,971.60/x
  3. Step 3: Cross multiply
    211,227.60x = 316,829.88 × 70,971.60
  4. Step 4: Simplify right side
    211,227.60x = 22,485,923,511.41
  5. Step 5: Solve for x
    x = 22,485,923,511.41/211,227.60
  6. Step 6: Final answer
    x = 106,453.53

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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.