Finding the Fourth Proportional to 317,530.62, 438,193.67 and 174,291.84
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Solution
The fourth proportional to 317,530.62, 438,193.67 and 174,291.84 is: 240,523.51
Step by Step Solution
- Step 1: Write the proportion equation
317,530.62 : 438,193.67 = 174,291.84 : x - Step 2: Convert to fraction form
317,530.62/438,193.67 = 174,291.84/x - Step 3: Cross multiply
317,530.62x = 438,193.67 × 174,291.84 - Step 4: Simplify right side
317,530.62x = 76,373,580,149.19 - Step 5: Solve for x
x = 76,373,580,149.19/317,530.62 - Step 6: Final answer
x = 240,523.51
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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.