Home / 321,890.30-482,836.06-111,528.44

Finding the Fourth Proportional to 321,890.30, 482,836.06 and 111,528.44

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Solution

The fourth proportional to 321,890.30, 482,836.06 and 111,528.44 is: 167,292.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,890.30 : 482,836.06 = 111,528.44 : x
  2. Step 2: Convert to fraction form
    321,890.30/482,836.06 = 111,528.44/x
  3. Step 3: Cross multiply
    321,890.30x = 482,836.06 × 111,528.44
  4. Step 4: Simplify right side
    321,890.30x = 53,849,952,547.55
  5. Step 5: Solve for x
    x = 53,849,952,547.55/321,890.30
  6. Step 6: Final answer
    x = 167,292.87

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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.