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Finding the Fourth Proportional to 449,841.42, 620,797.86 and 245,906.19

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Solution

The fourth proportional to 449,841.42, 620,797.86 and 245,906.19 is: 339,359.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,841.42 : 620,797.86 = 245,906.19 : x
  2. Step 2: Convert to fraction form
    449,841.42/620,797.86 = 245,906.19/x
  3. Step 3: Cross multiply
    449,841.42x = 620,797.86 × 245,906.19
  4. Step 4: Simplify right side
    449,841.42x = 152,658,036,512.75
  5. Step 5: Solve for x
    x = 152,658,036,512.75/449,841.42
  6. Step 6: Final answer
    x = 339,359.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.