Finding the Fourth Proportional to 298,717.68, 448,076.50 and 88,339.20
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Solution
The fourth proportional to 298,717.68, 448,076.50 and 88,339.20 is: 132,508.79
Step by Step Solution
- Step 1: Write the proportion equation
298,717.68 : 448,076.50 = 88,339.20 : x - Step 2: Convert to fraction form
298,717.68/448,076.50 = 88,339.20/x - Step 3: Cross multiply
298,717.68x = 448,076.50 × 88,339.20 - Step 4: Simplify right side
298,717.68x = 39,582,719,548.80 - Step 5: Solve for x
x = 39,582,719,548.80/298,717.68 - Step 6: Final answer
x = 132,508.79
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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.