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Finding the Fourth Proportional to 293,602.40, 440,403.60 and 127,714.40

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Solution

The fourth proportional to 293,602.40, 440,403.60 and 127,714.40 is: 191,571.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,602.40 : 440,403.60 = 127,714.40 : x
  2. Step 2: Convert to fraction form
    293,602.40/440,403.60 = 127,714.40/x
  3. Step 3: Cross multiply
    293,602.40x = 440,403.60 × 127,714.40
  4. Step 4: Simplify right side
    293,602.40x = 56,245,881,531.84
  5. Step 5: Solve for x
    x = 56,245,881,531.84/293,602.40
  6. Step 6: Final answer
    x = 191,571.60

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