Finding the Fourth Proportional to 827,631.36, 1,241,220.48 and 228,449.28
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Solution
The fourth proportional to 827,631.36, 1,241,220.48 and 228,449.28 is: 342,611.38
Step by Step Solution
- Step 1: Write the proportion equation
827,631.36 : 1,241,220.48 = 228,449.28 : x - Step 2: Convert to fraction form
827,631.36/1,241,220.48 = 228,449.28/x - Step 3: Cross multiply
827,631.36x = 1,241,220.48 × 228,449.28 - Step 4: Simplify right side
827,631.36x = 283,555,924,977.25 - Step 5: Solve for x
x = 283,555,924,977.25/827,631.36 - Step 6: Final answer
x = 342,611.38
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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.