Home / 298,890.96-446,431.55-270,384.05

Finding the Fourth Proportional to 298,890.96, 446,431.55 and 270,384.05

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Solution

The fourth proportional to 298,890.96, 446,431.55 and 270,384.05 is: 403,852.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,890.96 : 446,431.55 = 270,384.05 : x
  2. Step 2: Convert to fraction form
    298,890.96/446,431.55 = 270,384.05/x
  3. Step 3: Cross multiply
    298,890.96x = 446,431.55 × 270,384.05
  4. Step 4: Simplify right side
    298,890.96x = 120,707,970,300.94
  5. Step 5: Solve for x
    x = 120,707,970,300.94/298,890.96
  6. Step 6: Final answer
    x = 403,852.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.