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Finding the Fourth Proportional to 320,246.70, 479,851.65 and 201,705.90

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Solution

The fourth proportional to 320,246.70, 479,851.65 and 201,705.90 is: 302,232.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,246.70 : 479,851.65 = 201,705.90 : x
  2. Step 2: Convert to fraction form
    320,246.70/479,851.65 = 201,705.90/x
  3. Step 3: Cross multiply
    320,246.70x = 479,851.65 × 201,705.90
  4. Step 4: Simplify right side
    320,246.70x = 96,788,908,929.74
  5. Step 5: Solve for x
    x = 96,788,908,929.74/320,246.70
  6. Step 6: Final answer
    x = 302,232.34

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