Finding the Fourth Proportional to 112,449.68, 168,674.52 and 29,342.96
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Solution
The fourth proportional to 112,449.68, 168,674.52 and 29,342.96 is: 44,014.44
Step by Step Solution
- Step 1: Write the proportion equation
112,449.68 : 168,674.52 = 29,342.96 : x - Step 2: Convert to fraction form
112,449.68/168,674.52 = 29,342.96/x - Step 3: Cross multiply
112,449.68x = 168,674.52 × 29,342.96 - Step 4: Simplify right side
112,449.68x = 4,949,409,693.38 - Step 5: Solve for x
x = 4,949,409,693.38/112,449.68 - Step 6: Final answer
x = 44,014.44
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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.