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Finding the Fourth Proportional to 245,201.58, 367,792.38 and 85,314.11

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Solution

The fourth proportional to 245,201.58, 367,792.38 and 85,314.11 is: 127,967.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,201.58 : 367,792.38 = 85,314.11 : x
  2. Step 2: Convert to fraction form
    245,201.58/367,792.38 = 85,314.11/x
  3. Step 3: Cross multiply
    245,201.58x = 367,792.38 × 85,314.11
  4. Step 4: Simplify right side
    245,201.58x = 31,377,877,725.52
  5. Step 5: Solve for x
    x = 31,377,877,725.52/245,201.58
  6. Step 6: Final answer
    x = 127,967.68

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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.