Finding the Fourth Proportional to 416,068.92, 624,107.48 and 131,754.15
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Solution
The fourth proportional to 416,068.92, 624,107.48 and 131,754.15 is: 197,632.52
Step by Step Solution
- Step 1: Write the proportion equation
416,068.92 : 624,107.48 = 131,754.15 : x - Step 2: Convert to fraction form
416,068.92/624,107.48 = 131,754.15/x - Step 3: Cross multiply
416,068.92x = 624,107.48 × 131,754.15 - Step 4: Simplify right side
416,068.92x = 82,228,750,536.04 - Step 5: Solve for x
x = 82,228,750,536.04/416,068.92 - Step 6: Final answer
x = 197,632.52
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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.