Finding the Fourth Proportional to 308,394.25, 425,455.09 and 240,292.96
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Solution
The fourth proportional to 308,394.25, 425,455.09 and 240,292.96 is: 331,503.79
Step by Step Solution
- Step 1: Write the proportion equation
308,394.25 : 425,455.09 = 240,292.96 : x - Step 2: Convert to fraction form
308,394.25/425,455.09 = 240,292.96/x - Step 3: Cross multiply
308,394.25x = 425,455.09 × 240,292.96 - Step 4: Simplify right side
308,394.25x = 102,233,862,923.17 - Step 5: Solve for x
x = 102,233,862,923.17/308,394.25 - Step 6: Final answer
x = 331,503.79
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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.