Finding the Fourth Proportional to 264,015.10, 395,925.45 and 86,527.90
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Solution
The fourth proportional to 264,015.10, 395,925.45 and 86,527.90 is: 129,759.99
Step by Step Solution
- Step 1: Write the proportion equation
264,015.10 : 395,925.45 = 86,527.90 : x - Step 2: Convert to fraction form
264,015.10/395,925.45 = 86,527.90/x - Step 3: Cross multiply
264,015.10x = 395,925.45 × 86,527.90 - Step 4: Simplify right side
264,015.10x = 34,258,597,745.06 - Step 5: Solve for x
x = 34,258,597,745.06/264,015.10 - Step 6: Final answer
x = 129,759.99
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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.