Home / 298,346.23-447,520.56-120,856.60

Finding the Fourth Proportional to 298,346.23, 447,520.56 and 120,856.60

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Solution

The fourth proportional to 298,346.23, 447,520.56 and 120,856.60 is: 181,285.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,346.23 : 447,520.56 = 120,856.60 : x
  2. Step 2: Convert to fraction form
    298,346.23/447,520.56 = 120,856.60/x
  3. Step 3: Cross multiply
    298,346.23x = 447,520.56 × 120,856.60
  4. Step 4: Simplify right side
    298,346.23x = 54,085,812,192.89
  5. Step 5: Solve for x
    x = 54,085,812,192.89/298,346.23
  6. Step 6: Final answer
    x = 181,285.39

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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.