Finding the Fourth Proportional to 88,138.40, 132,216.24 and 28,950.08
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Solution
The fourth proportional to 88,138.40, 132,216.24 and 28,950.08 is: 43,427.96
Step by Step Solution
- Step 1: Write the proportion equation
88,138.40 : 132,216.24 = 28,950.08 : x - Step 2: Convert to fraction form
88,138.40/132,216.24 = 28,950.08/x - Step 3: Cross multiply
88,138.40x = 132,216.24 × 28,950.08 - Step 4: Simplify right side
88,138.40x = 3,827,670,725.30 - Step 5: Solve for x
x = 3,827,670,725.30/88,138.40 - Step 6: Final answer
x = 43,427.96
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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.