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Finding the Fourth Proportional to 383,000.87, 573,963.56 and 302,685.73

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Solution

The fourth proportional to 383,000.87, 573,963.56 and 302,685.73 is: 453,603.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,000.87 : 573,963.56 = 302,685.73 : x
  2. Step 2: Convert to fraction form
    383,000.87/573,963.56 = 302,685.73/x
  3. Step 3: Cross multiply
    383,000.87x = 573,963.56 × 302,685.73
  4. Step 4: Simplify right side
    383,000.87x = 173,730,579,152.00
  5. Step 5: Solve for x
    x = 173,730,579,152.00/383,000.87
  6. Step 6: Final answer
    x = 453,603.61

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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.