Home / 211,829.67-317,817.32-132,851.43

Finding the Fourth Proportional to 211,829.67, 317,817.32 and 132,851.43

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Solution

The fourth proportional to 211,829.67, 317,817.32 and 132,851.43 is: 199,322.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,829.67 : 317,817.32 = 132,851.43 : x
  2. Step 2: Convert to fraction form
    211,829.67/317,817.32 = 132,851.43/x
  3. Step 3: Cross multiply
    211,829.67x = 317,817.32 × 132,851.43
  4. Step 4: Simplify right side
    211,829.67x = 42,222,484,776.51
  5. Step 5: Solve for x
    x = 42,222,484,776.51/211,829.67
  6. Step 6: Final answer
    x = 199,322.81

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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.