Finding the Fourth Proportional to 317,492.26, 476,005.11 and 159,561.70
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Solution
The fourth proportional to 317,492.26, 476,005.11 and 159,561.70 is: 239,225.31
Step by Step Solution
- Step 1: Write the proportion equation
317,492.26 : 476,005.11 = 159,561.70 : x - Step 2: Convert to fraction form
317,492.26/476,005.11 = 159,561.70/x - Step 3: Cross multiply
317,492.26x = 476,005.11 × 159,561.70 - Step 4: Simplify right side
317,492.26x = 75,952,182,771.92 - Step 5: Solve for x
x = 75,952,182,771.92/317,492.26 - Step 6: Final answer
x = 239,225.31
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.