Home / 305,838.20-458,757.30-227,106.20

Finding the Fourth Proportional to 305,838.20, 458,757.30 and 227,106.20

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Solution

The fourth proportional to 305,838.20, 458,757.30 and 227,106.20 is: 340,659.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,838.20 : 458,757.30 = 227,106.20 : x
  2. Step 2: Convert to fraction form
    305,838.20/458,757.30 = 227,106.20/x
  3. Step 3: Cross multiply
    305,838.20x = 458,757.30 × 227,106.20
  4. Step 4: Simplify right side
    305,838.20x = 104,186,627,125.26
  5. Step 5: Solve for x
    x = 104,186,627,125.26/305,838.20
  6. Step 6: Final answer
    x = 340,659.30

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1.5x scale

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.