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Finding the Fourth Proportional to 300,024.51, 449,861.81 and 89,605.95

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Solution

The fourth proportional to 300,024.51, 449,861.81 and 89,605.95 is: 134,356.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,024.51 : 449,861.81 = 89,605.95 : x
  2. Step 2: Convert to fraction form
    300,024.51/449,861.81 = 89,605.95/x
  3. Step 3: Cross multiply
    300,024.51x = 449,861.81 × 89,605.95
  4. Step 4: Simplify right side
    300,024.51x = 40,310,294,405.74
  5. Step 5: Solve for x
    x = 40,310,294,405.74/300,024.51
  6. Step 6: Final answer
    x = 134,356.67

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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.