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Finding the Fourth Proportional to 376,954.84, 520,273.34 and 223,963.58

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Solution

The fourth proportional to 376,954.84, 520,273.34 and 223,963.58 is: 309,114.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,954.84 : 520,273.34 = 223,963.58 : x
  2. Step 2: Convert to fraction form
    376,954.84/520,273.34 = 223,963.58/x
  3. Step 3: Cross multiply
    376,954.84x = 520,273.34 × 223,963.58
  4. Step 4: Simplify right side
    376,954.84x = 116,522,279,804.96
  5. Step 5: Solve for x
    x = 116,522,279,804.96/376,954.84
  6. Step 6: Final answer
    x = 309,114.69

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1.5x scale

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.