Finding the Fourth Proportional to 292,634.18, 403,867.94 and 165,317.97
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Solution
The fourth proportional to 292,634.18, 403,867.94 and 165,317.97 is: 228,157.31
Step by Step Solution
- Step 1: Write the proportion equation
292,634.18 : 403,867.94 = 165,317.97 : x - Step 2: Convert to fraction form
292,634.18/403,867.94 = 165,317.97/x - Step 3: Cross multiply
292,634.18x = 403,867.94 × 165,317.97 - Step 4: Simplify right side
292,634.18x = 66,766,627,162.29 - Step 5: Solve for x
x = 66,766,627,162.29/292,634.18 - Step 6: Final answer
x = 228,157.31
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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.