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Finding the Fourth Proportional to 292,507.25, 438,760.88 and 70,891.25

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Solution

The fourth proportional to 292,507.25, 438,760.88 and 70,891.25 is: 106,336.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,507.25 : 438,760.88 = 70,891.25 : x
  2. Step 2: Convert to fraction form
    292,507.25/438,760.88 = 70,891.25/x
  3. Step 3: Cross multiply
    292,507.25x = 438,760.88 × 70,891.25
  4. Step 4: Simplify right side
    292,507.25x = 31,104,307,234.30
  5. Step 5: Solve for x
    x = 31,104,307,234.30/292,507.25
  6. Step 6: Final answer
    x = 106,336.88

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