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Finding the Fourth Proportional to 380,948.92, 525,573.96 and 219,844.72

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Solution

The fourth proportional to 380,948.92, 525,573.96 and 219,844.72 is: 303,307.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,948.92 : 525,573.96 = 219,844.72 : x
  2. Step 2: Convert to fraction form
    380,948.92/525,573.96 = 219,844.72/x
  3. Step 3: Cross multiply
    380,948.92x = 525,573.96 × 219,844.72
  4. Step 4: Simplify right side
    380,948.92x = 115,544,660,075.49
  5. Step 5: Solve for x
    x = 115,544,660,075.49/380,948.92
  6. Step 6: Final answer
    x = 303,307.49

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