Finding the Fourth Proportional to 482,539.92, 723,815.09 and 145,583.49
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Solution
The fourth proportional to 482,539.92, 723,815.09 and 145,583.49 is: 218,376.81
Step by Step Solution
- Step 1: Write the proportion equation
482,539.92 : 723,815.09 = 145,583.49 : x - Step 2: Convert to fraction form
482,539.92/723,815.09 = 145,583.49/x - Step 3: Cross multiply
482,539.92x = 723,815.09 × 145,583.49 - Step 4: Simplify right side
482,539.92x = 105,375,529,449.19 - Step 5: Solve for x
x = 105,375,529,449.19/482,539.92 - Step 6: Final answer
x = 218,376.81
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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.