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Finding the Fourth Proportional to 347,731.60, 521,597.40 and 223,315.60

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Solution

The fourth proportional to 347,731.60, 521,597.40 and 223,315.60 is: 334,973.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,731.60 : 521,597.40 = 223,315.60 : x
  2. Step 2: Convert to fraction form
    347,731.60/521,597.40 = 223,315.60/x
  3. Step 3: Cross multiply
    347,731.60x = 521,597.40 × 223,315.60
  4. Step 4: Simplify right side
    347,731.60x = 116,480,836,339.44
  5. Step 5: Solve for x
    x = 116,480,836,339.44/347,731.60
  6. Step 6: Final answer
    x = 334,973.40

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