Finding the Fourth Proportional to 343,637.10, 474,245.13 and 190,704.17
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Solution
The fourth proportional to 343,637.10, 474,245.13 and 190,704.17 is: 263,186.15
Step by Step Solution
- Step 1: Write the proportion equation
343,637.10 : 474,245.13 = 190,704.17 : x - Step 2: Convert to fraction form
343,637.10/474,245.13 = 190,704.17/x - Step 3: Cross multiply
343,637.10x = 474,245.13 × 190,704.17 - Step 4: Simplify right side
343,637.10x = 90,440,524,721.23 - Step 5: Solve for x
x = 90,440,524,721.23/343,637.10 - Step 6: Final answer
x = 263,186.15
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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.