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Finding the Fourth Proportional to 362,529.15, 543,629.70 and 162,746.70

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Solution

The fourth proportional to 362,529.15, 543,629.70 and 162,746.70 is: 244,046.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,529.15 : 543,629.70 = 162,746.70 : x
  2. Step 2: Convert to fraction form
    362,529.15/543,629.70 = 162,746.70/x
  3. Step 3: Cross multiply
    362,529.15x = 543,629.70 × 162,746.70
  4. Step 4: Simplify right side
    362,529.15x = 88,473,939,696.99
  5. Step 5: Solve for x
    x = 88,473,939,696.99/362,529.15
  6. Step 6: Final answer
    x = 244,046.42

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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.