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Finding the Fourth Proportional to 303,374.26, 454,890.53 and 100,861.71

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Solution

The fourth proportional to 303,374.26, 454,890.53 and 100,861.71 is: 151,235.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,374.26 : 454,890.53 = 100,861.71 : x
  2. Step 2: Convert to fraction form
    303,374.26/454,890.53 = 100,861.71/x
  3. Step 3: Cross multiply
    303,374.26x = 454,890.53 × 100,861.71
  4. Step 4: Simplify right side
    303,374.26x = 45,881,035,264.92
  5. Step 5: Solve for x
    x = 45,881,035,264.92/303,374.26
  6. Step 6: Final answer
    x = 151,235.75

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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.