Finding the Fourth Proportional to 352,812.70, 486,923.26 and 209,573.31
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Solution
The fourth proportional to 352,812.70, 486,923.26 and 209,573.31 is: 289,235.96
Step by Step Solution
- Step 1: Write the proportion equation
352,812.70 : 486,923.26 = 209,573.31 : x - Step 2: Convert to fraction form
352,812.70/486,923.26 = 209,573.31/x - Step 3: Cross multiply
352,812.70x = 486,923.26 × 209,573.31 - Step 4: Simplify right side
352,812.70x = 102,046,119,314.19 - Step 5: Solve for x
x = 102,046,119,314.19/352,812.70 - Step 6: Final answer
x = 289,235.96
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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.