Finding the Fourth Proportional to 161,129.62, 241,773.84 and 72,447.58
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Solution
The fourth proportional to 161,129.62, 241,773.84 and 72,447.58 is: 108,707.07
Step by Step Solution
- Step 1: Write the proportion equation
161,129.62 : 241,773.84 = 72,447.58 : x - Step 2: Convert to fraction form
161,129.62/241,773.84 = 72,447.58/x - Step 3: Cross multiply
161,129.62x = 241,773.84 × 72,447.58 - Step 4: Simplify right side
161,129.62x = 17,515,929,615.31 - Step 5: Solve for x
x = 17,515,929,615.31/161,129.62 - Step 6: Final answer
x = 108,707.07
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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.