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Finding the Fourth Proportional to 285,346.98, 427,728.78 and 185,707.26

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Solution

The fourth proportional to 285,346.98, 427,728.78 and 185,707.26 is: 278,371.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,346.98 : 427,728.78 = 185,707.26 : x
  2. Step 2: Convert to fraction form
    285,346.98/427,728.78 = 185,707.26/x
  3. Step 3: Cross multiply
    285,346.98x = 427,728.78 × 185,707.26
  4. Step 4: Simplify right side
    285,346.98x = 79,432,339,756.94
  5. Step 5: Solve for x
    x = 79,432,339,756.94/285,346.98
  6. Step 6: Final answer
    x = 278,371.05

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