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Finding the Fourth Proportional to 302,579.80, 453,869.70 and 92,190.40

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Solution

The fourth proportional to 302,579.80, 453,869.70 and 92,190.40 is: 138,285.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,579.80 : 453,869.70 = 92,190.40 : x
  2. Step 2: Convert to fraction form
    302,579.80/453,869.70 = 92,190.40/x
  3. Step 3: Cross multiply
    302,579.80x = 453,869.70 × 92,190.40
  4. Step 4: Simplify right side
    302,579.80x = 41,842,429,190.88
  5. Step 5: Solve for x
    x = 41,842,429,190.88/302,579.80
  6. Step 6: Final answer
    x = 138,285.60

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