Finding the Fourth Proportional to 250,718.10, 345,988.93 and 135,996.46
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Solution
The fourth proportional to 250,718.10, 345,988.93 and 135,996.46 is: 187,674.00
Step by Step Solution
- Step 1: Write the proportion equation
250,718.10 : 345,988.93 = 135,996.46 : x - Step 2: Convert to fraction form
250,718.10/345,988.93 = 135,996.46/x - Step 3: Cross multiply
250,718.10x = 345,988.93 × 135,996.46 - Step 4: Simplify right side
250,718.10x = 47,053,269,679.19 - Step 5: Solve for x
x = 47,053,269,679.19/250,718.10 - Step 6: Final answer
x = 187,674.00
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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.