Finding the Fourth Proportional to 385,897.56, 578,982.42 and 119,725.08
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Solution
The fourth proportional to 385,897.56, 578,982.42 and 119,725.08 is: 179,629.84
Step by Step Solution
- Step 1: Write the proportion equation
385,897.56 : 578,982.42 = 119,725.08 : x - Step 2: Convert to fraction form
385,897.56/578,982.42 = 119,725.08/x - Step 3: Cross multiply
385,897.56x = 578,982.42 × 119,725.08 - Step 4: Simplify right side
385,897.56x = 69,318,716,553.09 - Step 5: Solve for x
x = 69,318,716,553.09/385,897.56 - Step 6: Final answer
x = 179,629.84
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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.