Finding the Fourth Proportional to 419,734.36, 579,233.94 and 228,747.96
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Solution
The fourth proportional to 419,734.36, 579,233.94 and 228,747.96 is: 315,672.47
Step by Step Solution
- Step 1: Write the proportion equation
419,734.36 : 579,233.94 = 228,747.96 : x - Step 2: Convert to fraction form
419,734.36/579,233.94 = 228,747.96/x - Step 3: Cross multiply
419,734.36x = 579,233.94 × 228,747.96 - Step 4: Simplify right side
419,734.36x = 132,498,582,137.76 - Step 5: Solve for x
x = 132,498,582,137.76/419,734.36 - Step 6: Final answer
x = 315,672.47
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.