Finding the Fourth Proportional to 317,836.26, 438,614.02 and 174,598.68
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Solution
The fourth proportional to 317,836.26, 438,614.02 and 174,598.68 is: 240,946.17
Step by Step Solution
- Step 1: Write the proportion equation
317,836.26 : 438,614.02 = 174,598.68 : x - Step 2: Convert to fraction form
317,836.26/438,614.02 = 174,598.68/x - Step 3: Cross multiply
317,836.26x = 438,614.02 × 174,598.68 - Step 4: Simplify right side
317,836.26x = 76,581,428,921.49 - Step 5: Solve for x
x = 76,581,428,921.49/317,836.26 - Step 6: Final answer
x = 240,946.17
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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.