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Finding the Fourth Proportional to 375,915.06, 562,874.94 and 294,046.20

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Solution

The fourth proportional to 375,915.06, 562,874.94 and 294,046.20 is: 440,288.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,915.06 : 562,874.94 = 294,046.20 : x
  2. Step 2: Convert to fraction form
    375,915.06/562,874.94 = 294,046.20/x
  3. Step 3: Cross multiply
    375,915.06x = 562,874.94 × 294,046.20
  4. Step 4: Simplify right side
    375,915.06x = 165,511,237,182.23
  5. Step 5: Solve for x
    x = 165,511,237,182.23/375,915.06
  6. Step 6: Final answer
    x = 440,288.92

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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.