Finding the Fourth Proportional to 168,446.31, 232,445.93 and 91,950.18
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Solution
The fourth proportional to 168,446.31, 232,445.93 and 91,950.18 is: 126,885.80
Step by Step Solution
- Step 1: Write the proportion equation
168,446.31 : 232,445.93 = 91,950.18 : x - Step 2: Convert to fraction form
168,446.31/232,445.93 = 91,950.18/x - Step 3: Cross multiply
168,446.31x = 232,445.93 × 91,950.18 - Step 4: Simplify right side
168,446.31x = 21,373,444,644.02 - Step 5: Solve for x
x = 21,373,444,644.02/168,446.31 - Step 6: Final answer
x = 126,885.80
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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.