Finding the Fourth Proportional to 199,553.10, 299,329.62 and 133,122.96
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Solution
The fourth proportional to 199,553.10, 299,329.62 and 133,122.96 is: 199,684.42
Step by Step Solution
- Step 1: Write the proportion equation
199,553.10 : 299,329.62 = 133,122.96 : x - Step 2: Convert to fraction form
199,553.10/299,329.62 = 133,122.96/x - Step 3: Cross multiply
199,553.10x = 299,329.62 × 133,122.96 - Step 4: Simplify right side
199,553.10x = 39,847,645,030.08 - Step 5: Solve for x
x = 39,847,645,030.08/199,553.10 - Step 6: Final answer
x = 199,684.42
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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.