Finding the Fourth Proportional to 276,119.47, 413,637.92 and 143,086.99
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Solution
The fourth proportional to 276,119.47, 413,637.92 and 143,086.99 is: 214,349.99
Step by Step Solution
- Step 1: Write the proportion equation
276,119.47 : 413,637.92 = 143,086.99 : x - Step 2: Convert to fraction form
276,119.47/413,637.92 = 143,086.99/x - Step 3: Cross multiply
276,119.47x = 413,637.92 × 143,086.99 - Step 4: Simplify right side
276,119.47x = 59,186,204,922.66 - Step 5: Solve for x
x = 59,186,204,922.66/276,119.47 - Step 6: Final answer
x = 214,349.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.