Finding the Fourth Proportional to 298,716.96, 448,027.64 and 99,029.28
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Solution
The fourth proportional to 298,716.96, 448,027.64 and 99,029.28 is: 148,528.07
Step by Step Solution
- Step 1: Write the proportion equation
298,716.96 : 448,027.64 = 99,029.28 : x - Step 2: Convert to fraction form
298,716.96/448,027.64 = 99,029.28/x - Step 3: Cross multiply
298,716.96x = 448,027.64 × 99,029.28 - Step 4: Simplify right side
298,716.96x = 44,367,854,609.30 - Step 5: Solve for x
x = 44,367,854,609.30/298,716.96 - Step 6: Final answer
x = 148,528.07
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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.