Finding the Fourth Proportional to 194,167.92, 291,365.12 and 81,841.28
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Solution
The fourth proportional to 194,167.92, 291,365.12 and 81,841.28 is: 122,809.65
Step by Step Solution
- Step 1: Write the proportion equation
194,167.92 : 291,365.12 = 81,841.28 : x - Step 2: Convert to fraction form
194,167.92/291,365.12 = 81,841.28/x - Step 3: Cross multiply
194,167.92x = 291,365.12 × 81,841.28 - Step 4: Simplify right side
194,167.92x = 23,845,694,368.15 - Step 5: Solve for x
x = 23,845,694,368.15/194,167.92 - Step 6: Final answer
x = 122,809.65
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.