Home / 245,266.20-367,380.90-219,000.60

Finding the Fourth Proportional to 245,266.20, 367,380.90 and 219,000.60

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Solution

The fourth proportional to 245,266.20, 367,380.90 and 219,000.60 is: 328,038.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,266.20 : 367,380.90 = 219,000.60 : x
  2. Step 2: Convert to fraction form
    245,266.20/367,380.90 = 219,000.60/x
  3. Step 3: Cross multiply
    245,266.20x = 367,380.90 × 219,000.60
  4. Step 4: Simplify right side
    245,266.20x = 80,456,637,528.54
  5. Step 5: Solve for x
    x = 80,456,637,528.54/245,266.20
  6. Step 6: Final answer
    x = 328,038.02

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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.