Finding the Fourth Proportional to 212,001.22, 292,579.64 and 144,168.68
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Solution
The fourth proportional to 212,001.22, 292,579.64 and 144,168.68 is: 198,964.99
Step by Step Solution
- Step 1: Write the proportion equation
212,001.22 : 292,579.64 = 144,168.68 : x - Step 2: Convert to fraction form
212,001.22/292,579.64 = 144,168.68/x - Step 3: Cross multiply
212,001.22x = 292,579.64 × 144,168.68 - Step 4: Simplify right side
212,001.22x = 42,180,820,493.68 - Step 5: Solve for x
x = 42,180,820,493.68/212,001.22 - Step 6: Final answer
x = 198,964.99
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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.