Finding the Fourth Proportional to 264,559.18, 396,904.70 and 77,570.68
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Solution
The fourth proportional to 264,559.18, 396,904.70 and 77,570.68 is: 116,375.35
Step by Step Solution
- Step 1: Write the proportion equation
264,559.18 : 396,904.70 = 77,570.68 : x - Step 2: Convert to fraction form
264,559.18/396,904.70 = 77,570.68/x - Step 3: Cross multiply
264,559.18x = 396,904.70 × 77,570.68 - Step 4: Simplify right side
264,559.18x = 30,788,167,474.20 - Step 5: Solve for x
x = 30,788,167,474.20/264,559.18 - Step 6: Final answer
x = 116,375.35
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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.