Finding the Fourth Proportional to 298,821.96, 448,066.49 and 99,033.44
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Solution
The fourth proportional to 298,821.96, 448,066.49 and 99,033.44 is: 148,494.99
Step by Step Solution
- Step 1: Write the proportion equation
298,821.96 : 448,066.49 = 99,033.44 : x - Step 2: Convert to fraction form
298,821.96/448,066.49 = 99,033.44/x - Step 3: Cross multiply
298,821.96x = 448,066.49 × 99,033.44 - Step 4: Simplify right side
298,821.96x = 44,373,563,117.93 - Step 5: Solve for x
x = 44,373,563,117.93/298,821.96 - Step 6: Final answer
x = 148,494.99
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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.