Finding the Fourth Proportional to 339,238.78, 511,296.58 and 292,418.96
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Solution
The fourth proportional to 339,238.78, 511,296.58 and 292,418.96 is: 440,730.31
Step by Step Solution
- Step 1: Write the proportion equation
339,238.78 : 511,296.58 = 292,418.96 : x - Step 2: Convert to fraction form
339,238.78/511,296.58 = 292,418.96/x - Step 3: Cross multiply
339,238.78x = 511,296.58 × 292,418.96 - Step 4: Simplify right side
339,238.78x = 149,512,814,175.16 - Step 5: Solve for x
x = 149,512,814,175.16/339,238.78 - Step 6: Final answer
x = 440,730.31
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.