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Finding the Fourth Proportional to 362,552.66, 543,945.17 and 149,420.40

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Solution

The fourth proportional to 362,552.66, 543,945.17 and 149,420.40 is: 224,178.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,552.66 : 543,945.17 = 149,420.40 : x
  2. Step 2: Convert to fraction form
    362,552.66/543,945.17 = 149,420.40/x
  3. Step 3: Cross multiply
    362,552.66x = 543,945.17 × 149,420.40
  4. Step 4: Simplify right side
    362,552.66x = 81,276,503,213.22
  5. Step 5: Solve for x
    x = 81,276,503,213.22/362,552.66
  6. Step 6: Final answer
    x = 224,178.48

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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.