Finding the Fourth Proportional to 644,173.96, 965,960.94 and 239,084.06
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Solution
The fourth proportional to 644,173.96, 965,960.94 and 239,084.06 is: 358,514.75
Step by Step Solution
- Step 1: Write the proportion equation
644,173.96 : 965,960.94 = 239,084.06 : x - Step 2: Convert to fraction form
644,173.96/965,960.94 = 239,084.06/x - Step 3: Cross multiply
644,173.96x = 965,960.94 × 239,084.06 - Step 4: Simplify right side
644,173.96x = 230,945,863,336.62 - Step 5: Solve for x
x = 230,945,863,336.62/644,173.96 - Step 6: Final answer
x = 358,514.75
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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.