Finding the Fourth Proportional to 168,293.12, 232,241.28 and 91,808.96
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Solution
The fourth proportional to 168,293.12, 232,241.28 and 91,808.96 is: 126,694.61
Step by Step Solution
- Step 1: Write the proportion equation
168,293.12 : 232,241.28 = 91,808.96 : x - Step 2: Convert to fraction form
168,293.12/232,241.28 = 91,808.96/x - Step 3: Cross multiply
168,293.12x = 232,241.28 × 91,808.96 - Step 4: Simplify right side
168,293.12x = 21,321,830,385.87 - Step 5: Solve for x
x = 21,321,830,385.87/168,293.12 - Step 6: Final answer
x = 126,694.61
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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.