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Finding the Fourth Proportional to 376,958.82, 520,278.84 and 223,967.58

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Solution

The fourth proportional to 376,958.82, 520,278.84 and 223,967.58 is: 309,120.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,958.82 : 520,278.84 = 223,967.58 : x
  2. Step 2: Convert to fraction form
    376,958.82/520,278.84 = 223,967.58/x
  3. Step 3: Cross multiply
    376,958.82x = 520,278.84 × 223,967.58
  4. Step 4: Simplify right side
    376,958.82x = 116,525,592,720.01
  5. Step 5: Solve for x
    x = 116,525,592,720.01/376,958.82
  6. Step 6: Final answer
    x = 309,120.22

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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.