Finding the Fourth Proportional to 403,791.36, 557,108.64 and 233,992.80
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Solution
The fourth proportional to 403,791.36, 557,108.64 and 233,992.80 is: 322,838.53
Step by Step Solution
- Step 1: Write the proportion equation
403,791.36 : 557,108.64 = 233,992.80 : x - Step 2: Convert to fraction form
403,791.36/557,108.64 = 233,992.80/x - Step 3: Cross multiply
403,791.36x = 557,108.64 × 233,992.80 - Step 4: Simplify right side
403,791.36x = 130,359,410,577.79 - Step 5: Solve for x
x = 130,359,410,577.79/403,791.36 - Step 6: Final answer
x = 322,838.53
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1.5x scale
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.