Finding the Fourth Proportional to 298,450.41, 447,394.20 and 148,548.99
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Solution
The fourth proportional to 298,450.41, 447,394.20 and 148,548.99 is: 222,683.42
Step by Step Solution
- Step 1: Write the proportion equation
298,450.41 : 447,394.20 = 148,548.99 : x - Step 2: Convert to fraction form
298,450.41/447,394.20 = 148,548.99/x - Step 3: Cross multiply
298,450.41x = 447,394.20 × 148,548.99 - Step 4: Simplify right side
298,450.41x = 66,459,956,541.86 - Step 5: Solve for x
x = 66,459,956,541.86/298,450.41 - Step 6: Final answer
x = 222,683.42
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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.