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Finding the Fourth Proportional to 290,426.02, 435,376.59 and 201,721.30

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Solution

The fourth proportional to 290,426.02, 435,376.59 and 201,721.30 is: 302,399.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,426.02 : 435,376.59 = 201,721.30 : x
  2. Step 2: Convert to fraction form
    290,426.02/435,376.59 = 201,721.30/x
  3. Step 3: Cross multiply
    290,426.02x = 435,376.59 × 201,721.30
  4. Step 4: Simplify right side
    290,426.02x = 87,824,731,724.37
  5. Step 5: Solve for x
    x = 87,824,731,724.37/290,426.02
  6. Step 6: Final answer
    x = 302,399.67

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