Finding the Fourth Proportional to 86,558.40, 129,845.16 and 24,229.08
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Solution
The fourth proportional to 86,558.40, 129,845.16 and 24,229.08 is: 36,345.74
Step by Step Solution
- Step 1: Write the proportion equation
86,558.40 : 129,845.16 = 24,229.08 : x - Step 2: Convert to fraction form
86,558.40/129,845.16 = 24,229.08/x - Step 3: Cross multiply
86,558.40x = 129,845.16 × 24,229.08 - Step 4: Simplify right side
86,558.40x = 3,146,028,769.25 - Step 5: Solve for x
x = 3,146,028,769.25/86,558.40 - Step 6: Final answer
x = 36,345.74
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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.