Finding the Fourth Proportional to 317,521.25, 438,184.98 and 174,294.62
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Solution
The fourth proportional to 317,521.25, 438,184.98 and 174,294.62 is: 240,529.68
Step by Step Solution
- Step 1: Write the proportion equation
317,521.25 : 438,184.98 = 174,294.62 : x - Step 2: Convert to fraction form
317,521.25/438,184.98 = 174,294.62/x - Step 3: Cross multiply
317,521.25x = 438,184.98 × 174,294.62 - Step 4: Simplify right side
317,521.25x = 76,373,284,578.81 - Step 5: Solve for x
x = 76,373,284,578.81/317,521.25 - Step 6: Final answer
x = 240,529.68
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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.