Home / 321,222.02-482,528.19-208,844.42

Finding the Fourth Proportional to 321,222.02, 482,528.19 and 208,844.42

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Solution

The fourth proportional to 321,222.02, 482,528.19 and 208,844.42 is: 313,718.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,222.02 : 482,528.19 = 208,844.42 : x
  2. Step 2: Convert to fraction form
    321,222.02/482,528.19 = 208,844.42/x
  3. Step 3: Cross multiply
    321,222.02x = 482,528.19 × 208,844.42
  4. Step 4: Simplify right side
    321,222.02x = 100,773,319,974.20
  5. Step 5: Solve for x
    x = 100,773,319,974.20/321,222.02
  6. Step 6: Final answer
    x = 313,718.59

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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.