Finding the Fourth Proportional to 298,486.44, 445,545.81 and 263,058.12
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Solution
The fourth proportional to 298,486.44, 445,545.81 and 263,058.12 is: 392,662.54
Step by Step Solution
- Step 1: Write the proportion equation
298,486.44 : 445,545.81 = 263,058.12 : x - Step 2: Convert to fraction form
298,486.44/445,545.81 = 263,058.12/x - Step 3: Cross multiply
298,486.44x = 445,545.81 × 263,058.12 - Step 4: Simplify right side
298,486.44x = 117,204,443,152.48 - Step 5: Solve for x
x = 117,204,443,152.48/298,486.44 - Step 6: Final answer
x = 392,662.54
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.