Finding the Fourth Proportional to 347,202.60, 478,874.64 and 298,883.88
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Solution
The fourth proportional to 347,202.60, 478,874.64 and 298,883.88 is: 412,231.68
Step by Step Solution
- Step 1: Write the proportion equation
347,202.60 : 478,874.64 = 298,883.88 : x - Step 2: Convert to fraction form
347,202.60/478,874.64 = 298,883.88/x - Step 3: Cross multiply
347,202.60x = 478,874.64 × 298,883.88 - Step 4: Simplify right side
347,202.60x = 143,127,910,436.80 - Step 5: Solve for x
x = 143,127,910,436.80/347,202.60 - Step 6: Final answer
x = 412,231.68
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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.