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Finding the Fourth Proportional to 279,100,200.60, 418,650,300.90 and 279,100,200.60

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Solution

The fourth proportional to 279,100,200.60, 418,650,300.90 and 279,100,200.60 is: 418,650,300.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,100,200.60 : 418,650,300.90 = 279,100,200.60 : x
  2. Step 2: Convert to fraction form
    279,100,200.60/418,650,300.90 = 279,100,200.60/x
  3. Step 3: Cross multiply
    279,100,200.60x = 418,650,300.90 × 279,100,200.60
  4. Step 4: Simplify right side
    279,100,200.60x = 116,845,382,962,440,368
  5. Step 5: Solve for x
    x = 116,845,382,962,440,368/279,100,200.60
  6. Step 6: Final answer
    x = 418,650,300.90

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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.