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Finding the Fourth Proportional to 210,497.58, 290,490.84 and 115,010.19

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Solution

The fourth proportional to 210,497.58, 290,490.84 and 115,010.19 is: 158,716.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,497.58 : 290,490.84 = 115,010.19 : x
  2. Step 2: Convert to fraction form
    210,497.58/290,490.84 = 115,010.19/x
  3. Step 3: Cross multiply
    210,497.58x = 290,490.84 × 115,010.19
  4. Step 4: Simplify right side
    210,497.58x = 33,409,406,701.66
  5. Step 5: Solve for x
    x = 33,409,406,701.66/210,497.58
  6. Step 6: Final answer
    x = 158,716.35

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