Finding the Fourth Proportional to 382,990.08, 574,747.56 and 133,672.08
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Solution
The fourth proportional to 382,990.08, 574,747.56 and 133,672.08 is: 200,599.72
Step by Step Solution
- Step 1: Write the proportion equation
382,990.08 : 574,747.56 = 133,672.08 : x - Step 2: Convert to fraction form
382,990.08/574,747.56 = 133,672.08/x - Step 3: Cross multiply
382,990.08x = 574,747.56 × 133,672.08 - Step 4: Simplify right side
382,990.08x = 76,827,701,820.12 - Step 5: Solve for x
x = 76,827,701,820.12/382,990.08 - Step 6: Final answer
x = 200,599.72
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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.