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Finding the Fourth Proportional to 353,521.76, 530,283.71 and 87,282.31

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Solution

The fourth proportional to 353,521.76, 530,283.71 and 87,282.31 is: 130,923.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,521.76 : 530,283.71 = 87,282.31 : x
  2. Step 2: Convert to fraction form
    353,521.76/530,283.71 = 87,282.31/x
  3. Step 3: Cross multiply
    353,521.76x = 530,283.71 × 87,282.31
  4. Step 4: Simplify right side
    353,521.76x = 46,284,384,076.34
  5. Step 5: Solve for x
    x = 46,284,384,076.34/353,521.76
  6. Step 6: Final answer
    x = 130,923.72

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