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Finding the Fourth Proportional to 303,269.94, 455,212.35 and 273,484.98

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Solution

The fourth proportional to 303,269.94, 455,212.35 and 273,484.98 is: 410,504.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,269.94 : 455,212.35 = 273,484.98 : x
  2. Step 2: Convert to fraction form
    303,269.94/455,212.35 = 273,484.98/x
  3. Step 3: Cross multiply
    303,269.94x = 455,212.35 × 273,484.98
  4. Step 4: Simplify right side
    303,269.94x = 124,493,740,435.50
  5. Step 5: Solve for x
    x = 124,493,740,435.50/303,269.94
  6. Step 6: Final answer
    x = 410,504.72

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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.