Finding the Fourth Proportional to 494,277.91, 682,132.93 and 279,437.96
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Solution
The fourth proportional to 494,277.91, 682,132.93 and 279,437.96 is: 385,641.02
Step by Step Solution
- Step 1: Write the proportion equation
494,277.91 : 682,132.93 = 279,437.96 : x - Step 2: Convert to fraction form
494,277.91/682,132.93 = 279,437.96/x - Step 3: Cross multiply
494,277.91x = 682,132.93 × 279,437.96 - Step 4: Simplify right side
494,277.91x = 190,613,835,414.76 - Step 5: Solve for x
x = 190,613,835,414.76/494,277.91 - Step 6: Final answer
x = 385,641.02
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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.