Finding the Fourth Proportional to 317,520.75, 438,184.29 and 174,294.12
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Solution
The fourth proportional to 317,520.75, 438,184.29 and 174,294.12 is: 240,528.99
Step by Step Solution
- Step 1: Write the proportion equation
317,520.75 : 438,184.29 = 174,294.12 : x - Step 2: Convert to fraction form
317,520.75/438,184.29 = 174,294.12/x - Step 3: Cross multiply
317,520.75x = 438,184.29 × 174,294.12 - Step 4: Simplify right side
317,520.75x = 76,372,945,223.37 - Step 5: Solve for x
x = 76,372,945,223.37/317,520.75 - Step 6: Final answer
x = 240,528.99
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1.5x scale
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.