Finding the Fourth Proportional to 202,844.40, 304,201.80 and 84,487.20
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Solution
The fourth proportional to 202,844.40, 304,201.80 and 84,487.20 is: 126,703.81
Step by Step Solution
- Step 1: Write the proportion equation
202,844.40 : 304,201.80 = 84,487.20 : x - Step 2: Convert to fraction form
202,844.40/304,201.80 = 84,487.20/x - Step 3: Cross multiply
202,844.40x = 304,201.80 × 84,487.20 - Step 4: Simplify right side
202,844.40x = 25,701,158,316.96 - Step 5: Solve for x
x = 25,701,158,316.96/202,844.40 - Step 6: Final answer
x = 126,703.81
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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.