Finding the Fourth Proportional to 385,862.73, 578,815.97 and 119,661.09
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Solution
The fourth proportional to 385,862.73, 578,815.97 and 119,661.09 is: 179,498.42
Step by Step Solution
- Step 1: Write the proportion equation
385,862.73 : 578,815.97 = 119,661.09 : x - Step 2: Convert to fraction form
385,862.73/578,815.97 = 119,661.09/x - Step 3: Cross multiply
385,862.73x = 578,815.97 × 119,661.09 - Step 4: Simplify right side
385,862.73x = 69,261,749,879.61 - Step 5: Solve for x
x = 69,261,749,879.61/385,862.73 - Step 6: Final answer
x = 179,498.42
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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.