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Finding the Fourth Proportional to 353,360.76, 487,476.96 and 210,039.36

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Solution

The fourth proportional to 353,360.76, 487,476.96 and 210,039.36 is: 289,758.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,360.76 : 487,476.96 = 210,039.36 : x
  2. Step 2: Convert to fraction form
    353,360.76/487,476.96 = 210,039.36/x
  3. Step 3: Cross multiply
    353,360.76x = 487,476.96 × 210,039.36
  4. Step 4: Simplify right side
    353,360.76x = 102,389,348,693.15
  5. Step 5: Solve for x
    x = 102,389,348,693.15/353,360.76
  6. Step 6: Final answer
    x = 289,758.68

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