Finding the Fourth Proportional to 193,420.08, 290,212.68 and 109,243.44
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Solution
The fourth proportional to 193,420.08, 290,212.68 and 109,243.44 is: 163,911.79
Step by Step Solution
- Step 1: Write the proportion equation
193,420.08 : 290,212.68 = 109,243.44 : x - Step 2: Convert to fraction form
193,420.08/290,212.68 = 109,243.44/x - Step 3: Cross multiply
193,420.08x = 290,212.68 × 109,243.44 - Step 4: Simplify right side
193,420.08x = 31,703,831,494.82 - Step 5: Solve for x
x = 31,703,831,494.82/193,420.08 - Step 6: Final answer
x = 163,911.79
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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.