Finding the Fourth Proportional to 464,472.09, 640,981.13 and 263,268.09
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Solution
The fourth proportional to 464,472.09, 640,981.13 and 263,268.09 is: 363,315.43
Step by Step Solution
- Step 1: Write the proportion equation
464,472.09 : 640,981.13 = 263,268.09 : x - Step 2: Convert to fraction form
464,472.09/640,981.13 = 263,268.09/x - Step 3: Cross multiply
464,472.09x = 640,981.13 × 263,268.09 - Step 4: Simplify right side
464,472.09x = 168,749,876,504.80 - Step 5: Solve for x
x = 168,749,876,504.80/464,472.09 - Step 6: Final answer
x = 363,315.43
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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.