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Finding the Fourth Proportional to 377,090.63, 520,354.29 and 222,017.44

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Solution

The fourth proportional to 377,090.63, 520,354.29 and 222,017.44 is: 306,365.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,090.63 : 520,354.29 = 222,017.44 : x
  2. Step 2: Convert to fraction form
    377,090.63/520,354.29 = 222,017.44/x
  3. Step 3: Cross multiply
    377,090.63x = 520,354.29 × 222,017.44
  4. Step 4: Simplify right side
    377,090.63x = 115,527,727,358.82
  5. Step 5: Solve for x
    x = 115,527,727,358.82/377,090.63
  6. Step 6: Final answer
    x = 306,365.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.