Finding the Fourth Proportional to 250,161.84, 345,220.02 and 136,984.68
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Solution
The fourth proportional to 250,161.84, 345,220.02 and 136,984.68 is: 189,037.04
Step by Step Solution
- Step 1: Write the proportion equation
250,161.84 : 345,220.02 = 136,984.68 : x - Step 2: Convert to fraction form
250,161.84/345,220.02 = 136,984.68/x - Step 3: Cross multiply
250,161.84x = 345,220.02 × 136,984.68 - Step 4: Simplify right side
250,161.84x = 47,289,853,969.29 - Step 5: Solve for x
x = 47,289,853,969.29/250,161.84 - Step 6: Final answer
x = 189,037.04
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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.