Finding the Fourth Proportional to 161,116.47, 241,625.25 and 76,832.19
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Solution
The fourth proportional to 161,116.47, 241,625.25 and 76,832.19 is: 115,224.70
Step by Step Solution
- Step 1: Write the proportion equation
161,116.47 : 241,625.25 = 76,832.19 : x - Step 2: Convert to fraction form
161,116.47/241,625.25 = 76,832.19/x - Step 3: Cross multiply
161,116.47x = 241,625.25 × 76,832.19 - Step 4: Simplify right side
161,116.47x = 18,564,597,116.80 - Step 5: Solve for x
x = 18,564,597,116.80/161,116.47 - Step 6: Final answer
x = 115,224.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.