Finding the Fourth Proportional to 402,085.26, 554,838.39 and 232,315.74
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Solution
The fourth proportional to 402,085.26, 554,838.39 and 232,315.74 is: 320,573.03
Step by Step Solution
- Step 1: Write the proportion equation
402,085.26 : 554,838.39 = 232,315.74 : x - Step 2: Convert to fraction form
402,085.26/554,838.39 = 232,315.74/x - Step 3: Cross multiply
402,085.26x = 554,838.39 × 232,315.74 - Step 4: Simplify right side
402,085.26x = 128,897,691,153.26 - Step 5: Solve for x
x = 128,897,691,153.26/402,085.26 - Step 6: Final answer
x = 320,573.03
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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.