Home / 279,212.64-418,577.04-112,892.64

Finding the Fourth Proportional to 279,212.64, 418,577.04 and 112,892.64

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Solution

The fourth proportional to 279,212.64, 418,577.04 and 112,892.64 is: 169,241.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,212.64 : 418,577.04 = 112,892.64 : x
  2. Step 2: Convert to fraction form
    279,212.64/418,577.04 = 112,892.64/x
  3. Step 3: Cross multiply
    279,212.64x = 418,577.04 × 112,892.64
  4. Step 4: Simplify right side
    279,212.64x = 47,254,267,088.99
  5. Step 5: Solve for x
    x = 47,254,267,088.99/279,212.64
  6. Step 6: Final answer
    x = 169,241.15

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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.