Finding the Fourth Proportional to 112,338.18, 168,450.84 and 37,432.08
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Solution
The fourth proportional to 112,338.18, 168,450.84 and 37,432.08 is: 56,129.32
Step by Step Solution
- Step 1: Write the proportion equation
112,338.18 : 168,450.84 = 37,432.08 : x - Step 2: Convert to fraction form
112,338.18/168,450.84 = 37,432.08/x - Step 3: Cross multiply
112,338.18x = 168,450.84 × 37,432.08 - Step 4: Simplify right side
112,338.18x = 6,305,465,318.95 - Step 5: Solve for x
x = 6,305,465,318.95/112,338.18 - Step 6: Final answer
x = 56,129.32
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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.