Finding the Fourth Proportional to 424,135.79, 585,292.53 and 233,147.80
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Solution
The fourth proportional to 424,135.79, 585,292.53 and 233,147.80 is: 321,735.80
Step by Step Solution
- Step 1: Write the proportion equation
424,135.79 : 585,292.53 = 233,147.80 : x - Step 2: Convert to fraction form
424,135.79/585,292.53 = 233,147.80/x - Step 3: Cross multiply
424,135.79x = 585,292.53 × 233,147.80 - Step 4: Simplify right side
424,135.79x = 136,459,665,725.93 - Step 5: Solve for x
x = 136,459,665,725.93/424,135.79 - Step 6: Final answer
x = 321,735.80
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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.