Finding the Fourth Proportional to 304,859.49, 420,028.63 and 201,309.79
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Solution
The fourth proportional to 304,859.49, 420,028.63 and 201,309.79 is: 277,360.15
Step by Step Solution
- Step 1: Write the proportion equation
304,859.49 : 420,028.63 = 201,309.79 : x - Step 2: Convert to fraction form
304,859.49/420,028.63 = 201,309.79/x - Step 3: Cross multiply
304,859.49x = 420,028.63 × 201,309.79 - Step 4: Simplify right side
304,859.49x = 84,555,875,299.29 - Step 5: Solve for x
x = 84,555,875,299.29/304,859.49 - Step 6: Final answer
x = 277,360.15
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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.