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Finding the Fourth Proportional to 368,289.77, 507,951.15 and 252,072.12

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Solution

The fourth proportional to 368,289.77, 507,951.15 and 252,072.12 is: 347,661.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,289.77 : 507,951.15 = 252,072.12 : x
  2. Step 2: Convert to fraction form
    368,289.77/507,951.15 = 252,072.12/x
  3. Step 3: Cross multiply
    368,289.77x = 507,951.15 × 252,072.12
  4. Step 4: Simplify right side
    368,289.77x = 128,040,323,236.94
  5. Step 5: Solve for x
    x = 128,040,323,236.94/368,289.77
  6. Step 6: Final answer
    x = 347,661.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.