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Finding the Fourth Proportional to 328,673.10, 492,721.65 and 223,149.90

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Solution

The fourth proportional to 328,673.10, 492,721.65 and 223,149.90 is: 334,529.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,673.10 : 492,721.65 = 223,149.90 : x
  2. Step 2: Convert to fraction form
    328,673.10/492,721.65 = 223,149.90/x
  3. Step 3: Cross multiply
    328,673.10x = 492,721.65 × 223,149.90
  4. Step 4: Simplify right side
    328,673.10x = 109,950,786,925.34
  5. Step 5: Solve for x
    x = 109,950,786,925.34/328,673.10
  6. Step 6: Final answer
    x = 334,529.31

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