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Finding the Fourth Proportional to 293,404.60, 440,106.90 and 188,428.60

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Solution

The fourth proportional to 293,404.60, 440,106.90 and 188,428.60 is: 282,642.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,404.60 : 440,106.90 = 188,428.60 : x
  2. Step 2: Convert to fraction form
    293,404.60/440,106.90 = 188,428.60/x
  3. Step 3: Cross multiply
    293,404.60x = 440,106.90 × 188,428.60
  4. Step 4: Simplify right side
    293,404.60x = 82,928,727,017.34
  5. Step 5: Solve for x
    x = 82,928,727,017.34/293,404.60
  6. Step 6: Final answer
    x = 282,642.90

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