Finding the Fourth Proportional to 665,067.68, 917,793.52 and 363,261.68
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Solution
The fourth proportional to 665,067.68, 917,793.52 and 363,261.68 is: 501,301.18
Step by Step Solution
- Step 1: Write the proportion equation
665,067.68 : 917,793.52 = 363,261.68 : x - Step 2: Convert to fraction form
665,067.68/917,793.52 = 363,261.68/x - Step 3: Cross multiply
665,067.68x = 917,793.52 × 363,261.68 - Step 4: Simplify right side
665,067.68x = 333,399,215,968.31 - Step 5: Solve for x
x = 333,399,215,968.31/665,067.68 - Step 6: Final answer
x = 501,301.18
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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.