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Finding the Fourth Proportional to 441,992.25, 663,004.80 and 142,477.17

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Solution

The fourth proportional to 441,992.25, 663,004.80 and 142,477.17 is: 213,721.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,992.25 : 663,004.80 = 142,477.17 : x
  2. Step 2: Convert to fraction form
    441,992.25/663,004.80 = 142,477.17/x
  3. Step 3: Cross multiply
    441,992.25x = 663,004.80 × 142,477.17
  4. Step 4: Simplify right side
    441,992.25x = 94,463,047,600.42
  5. Step 5: Solve for x
    x = 94,463,047,600.42/441,992.25
  6. Step 6: Final answer
    x = 213,721.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.