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Finding the Fourth Proportional to 306,992.21, 460,477.89 and 93,751.52

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Solution

The fourth proportional to 306,992.21, 460,477.89 and 93,751.52 is: 140,624.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,992.21 : 460,477.89 = 93,751.52 : x
  2. Step 2: Convert to fraction form
    306,992.21/460,477.89 = 93,751.52/x
  3. Step 3: Cross multiply
    306,992.21x = 460,477.89 × 93,751.52
  4. Step 4: Simplify right side
    306,992.21x = 43,170,499,811.50
  5. Step 5: Solve for x
    x = 43,170,499,811.50/306,992.21
  6. Step 6: Final answer
    x = 140,624.09

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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.