Home / 211,988.47-317,984.52-62,231.21

Finding the Fourth Proportional to 211,988.47, 317,984.52 and 62,231.21

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Solution

The fourth proportional to 211,988.47, 317,984.52 and 62,231.21 is: 93,347.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,988.47 : 317,984.52 = 62,231.21 : x
  2. Step 2: Convert to fraction form
    211,988.47/317,984.52 = 62,231.21/x
  3. Step 3: Cross multiply
    211,988.47x = 317,984.52 × 62,231.21
  4. Step 4: Simplify right side
    211,988.47x = 19,788,561,440.87
  5. Step 5: Solve for x
    x = 19,788,561,440.87/211,988.47
  6. Step 6: Final answer
    x = 93,347.35

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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.