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Finding the Fourth Proportional to 292,498.20, 438,747.30 and 70,882.20

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Solution

The fourth proportional to 292,498.20, 438,747.30 and 70,882.20 is: 106,323.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,498.20 : 438,747.30 = 70,882.20 : x
  2. Step 2: Convert to fraction form
    292,498.20/438,747.30 = 70,882.20/x
  3. Step 3: Cross multiply
    292,498.20x = 438,747.30 × 70,882.20
  4. Step 4: Simplify right side
    292,498.20x = 31,099,373,868.06
  5. Step 5: Solve for x
    x = 31,099,373,868.06/292,498.20
  6. Step 6: Final answer
    x = 106,323.30

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