Finding the Fourth Proportional to 383,514.75, 528,696.99 and 268,437.24
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Solution
The fourth proportional to 383,514.75, 528,696.99 and 268,437.24 is: 370,056.07
Step by Step Solution
- Step 1: Write the proportion equation
383,514.75 : 528,696.99 = 268,437.24 : x - Step 2: Convert to fraction form
383,514.75/528,696.99 = 268,437.24/x - Step 3: Cross multiply
383,514.75x = 528,696.99 × 268,437.24 - Step 4: Simplify right side
383,514.75x = 141,921,960,791.91 - Step 5: Solve for x
x = 141,921,960,791.91/383,514.75 - Step 6: Final answer
x = 370,056.07
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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.