Home / 211,851.67-317,777.40-54,080.07

Finding the Fourth Proportional to 211,851.67, 317,777.40 and 54,080.07

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Solution

The fourth proportional to 211,851.67, 317,777.40 and 54,080.07 is: 81,120.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,851.67 : 317,777.40 = 54,080.07 : x
  2. Step 2: Convert to fraction form
    211,851.67/317,777.40 = 54,080.07/x
  3. Step 3: Cross multiply
    211,851.67x = 317,777.40 × 54,080.07
  4. Step 4: Simplify right side
    211,851.67x = 17,185,424,036.42
  5. Step 5: Solve for x
    x = 17,185,424,036.42/211,851.67
  6. Step 6: Final answer
    x = 81,120.08

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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.