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Finding the Fourth Proportional to 353,948.02, 488,448.93 and 210,713.02

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Solution

The fourth proportional to 353,948.02, 488,448.93 and 210,713.02 is: 290,784.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,948.02 : 488,448.93 = 210,713.02 : x
  2. Step 2: Convert to fraction form
    353,948.02/488,448.93 = 210,713.02/x
  3. Step 3: Cross multiply
    353,948.02x = 488,448.93 × 210,713.02
  4. Step 4: Simplify right side
    353,948.02x = 102,922,549,156.07
  5. Step 5: Solve for x
    x = 102,922,549,156.07/353,948.02
  6. Step 6: Final answer
    x = 290,784.36

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