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Finding the Fourth Proportional to 349,036.62, 523,525.59 and 138,618.06

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Solution

The fourth proportional to 349,036.62, 523,525.59 and 138,618.06 is: 207,915.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,036.62 : 523,525.59 = 138,618.06 : x
  2. Step 2: Convert to fraction form
    349,036.62/523,525.59 = 138,618.06/x
  3. Step 3: Cross multiply
    349,036.62x = 523,525.59 × 138,618.06
  4. Step 4: Simplify right side
    349,036.62x = 72,570,101,646.16
  5. Step 5: Solve for x
    x = 72,570,101,646.16/349,036.62
  6. Step 6: Final answer
    x = 207,915.44

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