Finding the Fourth Proportional to 292,022.44, 402,990.96 and 157,886.44
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Solution
The fourth proportional to 292,022.44, 402,990.96 and 157,886.44 is: 217,883.28
Step by Step Solution
- Step 1: Write the proportion equation
292,022.44 : 402,990.96 = 157,886.44 : x - Step 2: Convert to fraction form
292,022.44/402,990.96 = 157,886.44/x - Step 3: Cross multiply
292,022.44x = 402,990.96 × 157,886.44 - Step 4: Simplify right side
292,022.44x = 63,626,807,611.18 - Step 5: Solve for x
x = 63,626,807,611.18/292,022.44 - Step 6: Final answer
x = 217,883.28
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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.