Finding the Fourth Proportional to 351,972.68, 485,717.22 and 190,824.68
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Solution
The fourth proportional to 351,972.68, 485,717.22 and 190,824.68 is: 263,335.31
Step by Step Solution
- Step 1: Write the proportion equation
351,972.68 : 485,717.22 = 190,824.68 : x - Step 2: Convert to fraction form
351,972.68/485,717.22 = 190,824.68/x - Step 3: Cross multiply
351,972.68x = 485,717.22 × 190,824.68 - Step 4: Simplify right side
351,972.68x = 92,686,833,076.99 - Step 5: Solve for x
x = 92,686,833,076.99/351,972.68 - Step 6: Final answer
x = 263,335.31
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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.