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Finding the Fourth Proportional to 245,750.38, 368,714.30 and 85,849.94

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Solution

The fourth proportional to 245,750.38, 368,714.30 and 85,849.94 is: 128,805.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,750.38 : 368,714.30 = 85,849.94 : x
  2. Step 2: Convert to fraction form
    245,750.38/368,714.30 = 85,849.94/x
  3. Step 3: Cross multiply
    245,750.38x = 368,714.30 × 85,849.94
  4. Step 4: Simplify right side
    245,750.38x = 31,654,100,532.14
  5. Step 5: Solve for x
    x = 31,654,100,532.14/245,750.38
  6. Step 6: Final answer
    x = 128,805.91

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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.