Finding the Fourth Proportional to 170,420.78, 235,185.48 and 94,974.14
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Solution
The fourth proportional to 170,420.78, 235,185.48 and 94,974.14 is: 131,066.99
Step by Step Solution
- Step 1: Write the proportion equation
170,420.78 : 235,185.48 = 94,974.14 : x - Step 2: Convert to fraction form
170,420.78/235,185.48 = 94,974.14/x - Step 3: Cross multiply
170,420.78x = 235,185.48 × 94,974.14 - Step 4: Simplify right side
170,420.78x = 22,336,538,703.49 - Step 5: Solve for x
x = 22,336,538,703.49/170,420.78 - Step 6: Final answer
x = 131,066.99
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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.