Finding the Fourth Proportional to 298,845.05, 412,394.09 and 162,876.08
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Solution
The fourth proportional to 298,845.05, 412,394.09 and 162,876.08 is: 224,762.41
Step by Step Solution
- Step 1: Write the proportion equation
298,845.05 : 412,394.09 = 162,876.08 : x - Step 2: Convert to fraction form
298,845.05/412,394.09 = 162,876.08/x - Step 3: Cross multiply
298,845.05x = 412,394.09 × 162,876.08 - Step 4: Simplify right side
298,845.05x = 67,169,133,010.97 - Step 5: Solve for x
x = 67,169,133,010.97/298,845.05 - Step 6: Final answer
x = 224,762.41
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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.