Finding the Fourth Proportional to 192,445.48, 265,402.68 and 120,832.12
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Solution
The fourth proportional to 192,445.48, 265,402.68 and 120,832.12 is: 166,640.28
Step by Step Solution
- Step 1: Write the proportion equation
192,445.48 : 265,402.68 = 120,832.12 : x - Step 2: Convert to fraction form
192,445.48/265,402.68 = 120,832.12/x - Step 3: Cross multiply
192,445.48x = 265,402.68 × 120,832.12 - Step 4: Simplify right side
192,445.48x = 32,069,168,478.08 - Step 5: Solve for x
x = 32,069,168,478.08/192,445.48 - Step 6: Final answer
x = 166,640.28
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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.