Finding the Fourth Proportional to 424,863.09, 586,310.99 and 233,876.43
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Solution
The fourth proportional to 424,863.09, 586,310.99 and 233,876.43 is: 322,749.43
Step by Step Solution
- Step 1: Write the proportion equation
424,863.09 : 586,310.99 = 233,876.43 : x - Step 2: Convert to fraction form
424,863.09/586,310.99 = 233,876.43/x - Step 3: Cross multiply
424,863.09x = 586,310.99 × 233,876.43 - Step 4: Simplify right side
424,863.09x = 137,124,320,041.58 - Step 5: Solve for x
x = 137,124,320,041.58/424,863.09 - Step 6: Final answer
x = 322,749.43
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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.