Finding the Fourth Proportional to 370,545.02, 511,378.08 and 209,414.96
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Solution
The fourth proportional to 370,545.02, 511,378.08 and 209,414.96 is: 289,007.31
Step by Step Solution
- Step 1: Write the proportion equation
370,545.02 : 511,378.08 = 209,414.96 : x - Step 2: Convert to fraction form
370,545.02/511,378.08 = 209,414.96/x - Step 3: Cross multiply
370,545.02x = 511,378.08 × 209,414.96 - Step 4: Simplify right side
370,545.02x = 107,090,220,168.08 - Step 5: Solve for x
x = 107,090,220,168.08/370,545.02 - Step 6: Final answer
x = 289,007.31
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.