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Finding the Fourth Proportional to 302,415.70, 453,623.55 and 209,103.70

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Solution

The fourth proportional to 302,415.70, 453,623.55 and 209,103.70 is: 313,655.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,415.70 : 453,623.55 = 209,103.70 : x
  2. Step 2: Convert to fraction form
    302,415.70/453,623.55 = 209,103.70/x
  3. Step 3: Cross multiply
    302,415.70x = 453,623.55 × 209,103.70
  4. Step 4: Simplify right side
    302,415.70x = 94,854,362,712.14
  5. Step 5: Solve for x
    x = 94,854,362,712.14/302,415.70
  6. Step 6: Final answer
    x = 313,655.55

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