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Finding the Fourth Proportional to 368,302.74, 508,263.03 and 217,399.74

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Solution

The fourth proportional to 368,302.74, 508,263.03 and 217,399.74 is: 300,014.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,302.74 : 508,263.03 = 217,399.74 : x
  2. Step 2: Convert to fraction form
    368,302.74/508,263.03 = 217,399.74/x
  3. Step 3: Cross multiply
    368,302.74x = 508,263.03 × 217,399.74
  4. Step 4: Simplify right side
    368,302.74x = 110,496,250,573.61
  5. Step 5: Solve for x
    x = 110,496,250,573.61/368,302.74
  6. Step 6: Final answer
    x = 300,014.74

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