Finding the Fourth Proportional to 76,302.30, 114,475.68 and 34,172.99
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Solution
The fourth proportional to 76,302.30, 114,475.68 and 34,172.99 is: 51,269.44
Step by Step Solution
- Step 1: Write the proportion equation
76,302.30 : 114,475.68 = 34,172.99 : x - Step 2: Convert to fraction form
76,302.30/114,475.68 = 34,172.99/x - Step 3: Cross multiply
76,302.30x = 114,475.68 × 34,172.99 - Step 4: Simplify right side
76,302.30x = 3,911,976,124.79 - Step 5: Solve for x
x = 3,911,976,124.79/76,302.30 - Step 6: Final answer
x = 51,269.44
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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.