Finding the Fourth Proportional to 512,177.67, 706,876.34 and 285,837.75
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Solution
The fourth proportional to 512,177.67, 706,876.34 and 285,837.75 is: 394,495.80
Step by Step Solution
- Step 1: Write the proportion equation
512,177.67 : 706,876.34 = 285,837.75 : x - Step 2: Convert to fraction form
512,177.67/706,876.34 = 285,837.75/x - Step 3: Cross multiply
512,177.67x = 706,876.34 × 285,837.75 - Step 4: Simplify right side
512,177.67x = 202,051,941,124.65 - Step 5: Solve for x
x = 202,051,941,124.65/512,177.67 - Step 6: Final answer
x = 394,495.80
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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.