Finding the Fourth Proportional to 424,894.23, 637,735.01 and 214,679.79
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Solution
The fourth proportional to 424,894.23, 637,735.01 and 214,679.79 is: 322,218.58
Step by Step Solution
- Step 1: Write the proportion equation
424,894.23 : 637,735.01 = 214,679.79 : x - Step 2: Convert to fraction form
424,894.23/637,735.01 = 214,679.79/x - Step 3: Cross multiply
424,894.23x = 637,735.01 × 214,679.79 - Step 4: Simplify right side
424,894.23x = 136,908,816,949.05 - Step 5: Solve for x
x = 136,908,816,949.05/424,894.23 - Step 6: Final answer
x = 322,218.58
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.