Finding the Fourth Proportional to 451,028.13, 676,582.15 and 118,604.13
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Solution
The fourth proportional to 451,028.13, 676,582.15 and 118,604.13 is: 177,916.70
Step by Step Solution
- Step 1: Write the proportion equation
451,028.13 : 676,582.15 = 118,604.13 : x - Step 2: Convert to fraction form
451,028.13/676,582.15 = 118,604.13/x - Step 3: Cross multiply
451,028.13x = 676,582.15 × 118,604.13 - Step 4: Simplify right side
451,028.13x = 80,245,437,274.28 - Step 5: Solve for x
x = 80,245,437,274.28/451,028.13 - Step 6: Final answer
x = 177,916.70
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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.