Finding the Fourth Proportional to 298,996.88, 448,495.34 and 121,517.75
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Solution
The fourth proportional to 298,996.88, 448,495.34 and 121,517.75 is: 182,276.63
Step by Step Solution
- Step 1: Write the proportion equation
298,996.88 : 448,495.34 = 121,517.75 : x - Step 2: Convert to fraction form
298,996.88/448,495.34 = 121,517.75/x - Step 3: Cross multiply
298,996.88x = 448,495.34 × 121,517.75 - Step 4: Simplify right side
298,996.88x = 54,500,141,752.22 - Step 5: Solve for x
x = 54,500,141,752.22/298,996.88 - Step 6: Final answer
x = 182,276.63
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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.