Finding the Fourth Proportional to 88,391.21, 132,574.37 and 46,257.44
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Solution
The fourth proportional to 88,391.21, 132,574.37 and 46,257.44 is: 69,379.65
Step by Step Solution
- Step 1: Write the proportion equation
88,391.21 : 132,574.37 = 46,257.44 : x - Step 2: Convert to fraction form
88,391.21/132,574.37 = 46,257.44/x - Step 3: Cross multiply
88,391.21x = 132,574.37 × 46,257.44 - Step 4: Simplify right side
88,391.21x = 6,132,551,065.96 - Step 5: Solve for x
x = 6,132,551,065.96/88,391.21 - Step 6: Final answer
x = 69,379.65
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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.