Finding the Fourth Proportional to 202,845.40, 304,239.30 and 69,731.80
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Solution
The fourth proportional to 202,845.40, 304,239.30 and 69,731.80 is: 104,587.80
Step by Step Solution
- Step 1: Write the proportion equation
202,845.40 : 304,239.30 = 69,731.80 : x - Step 2: Convert to fraction form
202,845.40/304,239.30 = 69,731.80/x - Step 3: Cross multiply
202,845.40x = 304,239.30 × 69,731.80 - Step 4: Simplify right side
202,845.40x = 21,215,154,019.74 - Step 5: Solve for x
x = 21,215,154,019.74/202,845.40 - Step 6: Final answer
x = 104,587.80
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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.