Finding the Fourth Proportional to 373,811.60, 515,841.98 and 212,651.48
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Solution
The fourth proportional to 373,811.60, 515,841.98 and 212,651.48 is: 293,448.79
Step by Step Solution
- Step 1: Write the proportion equation
373,811.60 : 515,841.98 = 212,651.48 : x - Step 2: Convert to fraction form
373,811.60/515,841.98 = 212,651.48/x - Step 3: Cross multiply
373,811.60x = 515,841.98 × 212,651.48 - Step 4: Simplify right side
373,811.60x = 109,694,560,493.13 - Step 5: Solve for x
x = 109,694,560,493.13/373,811.60 - Step 6: Final answer
x = 293,448.79
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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.