Finding the Fourth Proportional to 292,667.68, 403,879.26 and 158,531.68
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Solution
The fourth proportional to 292,667.68, 403,879.26 and 158,531.68 is: 218,772.56
Step by Step Solution
- Step 1: Write the proportion equation
292,667.68 : 403,879.26 = 158,531.68 : x - Step 2: Convert to fraction form
292,667.68/403,879.26 = 158,531.68/x - Step 3: Cross multiply
292,667.68x = 403,879.26 × 158,531.68 - Step 4: Simplify right side
292,667.68x = 64,027,657,604.96 - Step 5: Solve for x
x = 64,027,657,604.96/292,667.68 - Step 6: Final answer
x = 218,772.56
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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.