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Finding the Fourth Proportional to 353,455.87, 530,417.09 and 187,360.51

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Solution

The fourth proportional to 353,455.87, 530,417.09 and 187,360.51 is: 281,164.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,455.87 : 530,417.09 = 187,360.51 : x
  2. Step 2: Convert to fraction form
    353,455.87/530,417.09 = 187,360.51/x
  3. Step 3: Cross multiply
    353,455.87x = 530,417.09 × 187,360.51
  4. Step 4: Simplify right side
    353,455.87x = 99,379,215,558.31
  5. Step 5: Solve for x
    x = 99,379,215,558.31/353,455.87
  6. Step 6: Final answer
    x = 281,164.42

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