Finding the Fourth Proportional to 298,804.08, 412,168.32 and 177,865.68
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Solution
The fourth proportional to 298,804.08, 412,168.32 and 177,865.68 is: 245,346.71
Step by Step Solution
- Step 1: Write the proportion equation
298,804.08 : 412,168.32 = 177,865.68 : x - Step 2: Convert to fraction form
298,804.08/412,168.32 = 177,865.68/x - Step 3: Cross multiply
298,804.08x = 412,168.32 × 177,865.68 - Step 4: Simplify right side
298,804.08x = 73,310,598,511.26 - Step 5: Solve for x
x = 73,310,598,511.26/298,804.08 - Step 6: Final answer
x = 245,346.71
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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.