Finding the Fourth Proportional to 205,815.24, 308,545.43 and 79,544.07
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Solution
The fourth proportional to 205,815.24, 308,545.43 and 79,544.07 is: 119,247.53
Step by Step Solution
- Step 1: Write the proportion equation
205,815.24 : 308,545.43 = 79,544.07 : x - Step 2: Convert to fraction form
205,815.24/308,545.43 = 79,544.07/x - Step 3: Cross multiply
205,815.24x = 308,545.43 × 79,544.07 - Step 4: Simplify right side
205,815.24x = 24,542,959,282.10 - Step 5: Solve for x
x = 24,542,959,282.10/205,815.24 - Step 6: Final answer
x = 119,247.53
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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.