Finding the Fourth Proportional to 86,326.58, 129,406.16 and 44,226.51
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Solution
The fourth proportional to 86,326.58, 129,406.16 and 44,226.51 is: 66,296.88
Step by Step Solution
- Step 1: Write the proportion equation
86,326.58 : 129,406.16 = 44,226.51 : x - Step 2: Convert to fraction form
86,326.58/129,406.16 = 44,226.51/x - Step 3: Cross multiply
86,326.58x = 129,406.16 × 44,226.51 - Step 4: Simplify right side
86,326.58x = 5,723,182,608.17 - Step 5: Solve for x
x = 5,723,182,608.17/86,326.58 - Step 6: Final answer
x = 66,296.88
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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.