Home / 362,688.46-543,890.22-122,736.28

Finding the Fourth Proportional to 362,688.46, 543,890.22 and 122,736.28

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Solution

The fourth proportional to 362,688.46, 543,890.22 and 122,736.28 is: 184,056.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,688.46 : 543,890.22 = 122,736.28 : x
  2. Step 2: Convert to fraction form
    362,688.46/543,890.22 = 122,736.28/x
  3. Step 3: Cross multiply
    362,688.46x = 543,890.22 × 122,736.28
  4. Step 4: Simplify right side
    362,688.46x = 66,755,062,331.18
  5. Step 5: Solve for x
    x = 66,755,062,331.18/362,688.46
  6. Step 6: Final answer
    x = 184,056.21

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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.