Finding the Fourth Proportional to 292,717.92, 403,919.82 and 165,368.92
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Solution
The fourth proportional to 292,717.92, 403,919.82 and 165,368.92 is: 228,191.65
Step by Step Solution
- Step 1: Write the proportion equation
292,717.92 : 403,919.82 = 165,368.92 : x - Step 2: Convert to fraction form
292,717.92/403,919.82 = 165,368.92/x - Step 3: Cross multiply
292,717.92x = 403,919.82 × 165,368.92 - Step 4: Simplify right side
292,717.92x = 66,795,784,399.99 - Step 5: Solve for x
x = 66,795,784,399.99/292,717.92 - Step 6: Final answer
x = 228,191.65
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.