Home / 311,570.20-466,280.10-187,000.60

Finding the Fourth Proportional to 311,570.20, 466,280.10 and 187,000.60

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Solution

The fourth proportional to 311,570.20, 466,280.10 and 187,000.60 is: 279,855.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,570.20 : 466,280.10 = 187,000.60 : x
  2. Step 2: Convert to fraction form
    311,570.20/466,280.10 = 187,000.60/x
  3. Step 3: Cross multiply
    311,570.20x = 466,280.10 × 187,000.60
  4. Step 4: Simplify right side
    311,570.20x = 87,194,658,468.06
  5. Step 5: Solve for x
    x = 87,194,658,468.06/311,570.20
  6. Step 6: Final answer
    x = 279,855.58

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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.