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Finding the Fourth Proportional to 290,465.82, 435,772.65 and 170,624.12

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Solution

The fourth proportional to 290,465.82, 435,772.65 and 170,624.12 is: 255,979.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,465.82 : 435,772.65 = 170,624.12 : x
  2. Step 2: Convert to fraction form
    290,465.82/435,772.65 = 170,624.12/x
  3. Step 3: Cross multiply
    290,465.82x = 435,772.65 × 170,624.12
  4. Step 4: Simplify right side
    290,465.82x = 74,353,322,747.45
  5. Step 5: Solve for x
    x = 74,353,322,747.45/290,465.82
  6. Step 6: Final answer
    x = 255,979.59

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