Finding the Fourth Proportional to 100,823.36, 151,268.96 and 44,655.68
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Solution
The fourth proportional to 100,823.36, 151,268.96 and 44,655.68 is: 66,998.54
Step by Step Solution
- Step 1: Write the proportion equation
100,823.36 : 151,268.96 = 44,655.68 : x - Step 2: Convert to fraction form
100,823.36/151,268.96 = 44,655.68/x - Step 3: Cross multiply
100,823.36x = 151,268.96 × 44,655.68 - Step 4: Simplify right side
100,823.36x = 6,755,018,271.69 - Step 5: Solve for x
x = 6,755,018,271.69/100,823.36 - Step 6: Final answer
x = 66,998.54
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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.