Finding the Fourth Proportional to 193,497.93, 290,358.99 and 81,168.12
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Solution
The fourth proportional to 193,497.93, 290,358.99 and 81,168.12 is: 121,799.20
Step by Step Solution
- Step 1: Write the proportion equation
193,497.93 : 290,358.99 = 81,168.12 : x - Step 2: Convert to fraction form
193,497.93/290,358.99 = 81,168.12/x - Step 3: Cross multiply
193,497.93x = 290,358.99 × 81,168.12 - Step 4: Simplify right side
193,497.93x = 23,567,893,343.40 - Step 5: Solve for x
x = 23,567,893,343.40/193,497.93 - Step 6: Final answer
x = 121,799.20
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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.