Finding the Fourth Proportional to 397,369.68, 595,990.44 and 109,114.08
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Solution
The fourth proportional to 397,369.68, 595,990.44 and 109,114.08 is: 163,653.52
Step by Step Solution
- Step 1: Write the proportion equation
397,369.68 : 595,990.44 = 109,114.08 : x - Step 2: Convert to fraction form
397,369.68/595,990.44 = 109,114.08/x - Step 3: Cross multiply
397,369.68x = 595,990.44 × 109,114.08 - Step 4: Simplify right side
397,369.68x = 65,030,948,549.40 - Step 5: Solve for x
x = 65,030,948,549.40/397,369.68 - Step 6: Final answer
x = 163,653.52
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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.