Finding the Fourth Proportional to 212,404.44, 292,964.34 and 144,302.49
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Solution
The fourth proportional to 212,404.44, 292,964.34 and 144,302.49 is: 199,032.96
Step by Step Solution
- Step 1: Write the proportion equation
212,404.44 : 292,964.34 = 144,302.49 : x - Step 2: Convert to fraction form
212,404.44/292,964.34 = 144,302.49/x - Step 3: Cross multiply
212,404.44x = 292,964.34 × 144,302.49 - Step 4: Simplify right side
212,404.44x = 42,275,483,743.21 - Step 5: Solve for x
x = 42,275,483,743.21/212,404.44 - Step 6: Final answer
x = 199,032.96
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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.