Finding the Fourth Proportional to 298,776.80, 447,893.94 and 149,062.88
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Solution
The fourth proportional to 298,776.80, 447,893.94 and 149,062.88 is: 223,458.99
Step by Step Solution
- Step 1: Write the proportion equation
298,776.80 : 447,893.94 = 149,062.88 : x - Step 2: Convert to fraction form
298,776.80/447,893.94 = 149,062.88/x - Step 3: Cross multiply
298,776.80x = 447,893.94 × 149,062.88 - Step 4: Simplify right side
298,776.80x = 66,764,360,630.95 - Step 5: Solve for x
x = 66,764,360,630.95/298,776.80 - Step 6: Final answer
x = 223,458.99
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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.