Finding the Fourth Proportional to 250,717.74, 345,988.43 and 135,996.10
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Solution
The fourth proportional to 250,717.74, 345,988.43 and 135,996.10 is: 187,673.50
Step by Step Solution
- Step 1: Write the proportion equation
250,717.74 : 345,988.43 = 135,996.10 : x - Step 2: Convert to fraction form
250,717.74/345,988.43 = 135,996.10/x - Step 3: Cross multiply
250,717.74x = 345,988.43 × 135,996.10 - Step 4: Simplify right side
250,717.74x = 47,053,075,735.17 - Step 5: Solve for x
x = 47,053,075,735.17/250,717.74 - Step 6: Final answer
x = 187,673.50
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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.