Finding the Fourth Proportional to 385,819.84, 578,806.62 and 119,662.12
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Solution
The fourth proportional to 385,819.84, 578,806.62 and 119,662.12 is: 179,517.02
Step by Step Solution
- Step 1: Write the proportion equation
385,819.84 : 578,806.62 = 119,662.12 : x - Step 2: Convert to fraction form
385,819.84/578,806.62 = 119,662.12/x - Step 3: Cross multiply
385,819.84x = 578,806.62 × 119,662.12 - Step 4: Simplify right side
385,819.84x = 69,261,227,219.23 - Step 5: Solve for x
x = 69,261,227,219.23/385,819.84 - Step 6: Final answer
x = 179,517.02
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.