Finding the Fourth Proportional to 245,329.75, 367,994.63 and 79,117.75
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Solution
The fourth proportional to 245,329.75, 367,994.63 and 79,117.75 is: 118,676.63
Step by Step Solution
- Step 1: Write the proportion equation
245,329.75 : 367,994.63 = 79,117.75 : x - Step 2: Convert to fraction form
245,329.75/367,994.63 = 79,117.75/x - Step 3: Cross multiply
245,329.75x = 367,994.63 × 79,117.75 - Step 4: Simplify right side
245,329.75x = 29,114,907,137.68 - Step 5: Solve for x
x = 29,114,907,137.68/245,329.75 - Step 6: Final answer
x = 118,676.63
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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.