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Finding the Fourth Proportional to 362,367.76, 543,618.47 and 119,222.50

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Solution

The fourth proportional to 362,367.76, 543,618.47 and 119,222.50 is: 178,855.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,367.76 : 543,618.47 = 119,222.50 : x
  2. Step 2: Convert to fraction form
    362,367.76/543,618.47 = 119,222.50/x
  3. Step 3: Cross multiply
    362,367.76x = 543,618.47 × 119,222.50
  4. Step 4: Simplify right side
    362,367.76x = 64,811,553,039.58
  5. Step 5: Solve for x
    x = 64,811,553,039.58/362,367.76
  6. Step 6: Final answer
    x = 178,855.74

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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.