Finding the Fourth Proportional to 227,315.23, 340,986.49 and 69,545.05
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Solution
The fourth proportional to 227,315.23, 340,986.49 and 69,545.05 is: 104,321.74
Step by Step Solution
- Step 1: Write the proportion equation
227,315.23 : 340,986.49 = 69,545.05 : x - Step 2: Convert to fraction form
227,315.23/340,986.49 = 69,545.05/x - Step 3: Cross multiply
227,315.23x = 340,986.49 × 69,545.05 - Step 4: Simplify right side
227,315.23x = 23,713,920,791.44 - Step 5: Solve for x
x = 23,713,920,791.44/227,315.23 - Step 6: Final answer
x = 104,321.74
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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.