Finding the Fourth Proportional to 268,010.21, 370,027.18 and 166,144.53
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Solution
The fourth proportional to 268,010.21, 370,027.18 and 166,144.53 is: 229,386.75
Step by Step Solution
- Step 1: Write the proportion equation
268,010.21 : 370,027.18 = 166,144.53 : x - Step 2: Convert to fraction form
268,010.21/370,027.18 = 166,144.53/x - Step 3: Cross multiply
268,010.21x = 370,027.18 × 166,144.53 - Step 4: Simplify right side
268,010.21x = 61,477,992,418.03 - Step 5: Solve for x
x = 61,477,992,418.03/268,010.21 - Step 6: Final answer
x = 229,386.75
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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.