Finding the Fourth Proportional to 317,629.62, 438,329.75 and 174,398.94
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Solution
The fourth proportional to 317,629.62, 438,329.75 and 174,398.94 is: 240,671.02
Step by Step Solution
- Step 1: Write the proportion equation
317,629.62 : 438,329.75 = 174,398.94 : x - Step 2: Convert to fraction form
317,629.62/438,329.75 = 174,398.94/x - Step 3: Cross multiply
317,629.62x = 438,329.75 × 174,398.94 - Step 4: Simplify right side
317,629.62x = 76,444,243,770.47 - Step 5: Solve for x
x = 76,444,243,770.47/317,629.62 - Step 6: Final answer
x = 240,671.02
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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.