Finding the Fourth Proportional to 175,538.55, 263,455.26 and 75,774.09
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Solution
The fourth proportional to 175,538.55, 263,455.26 and 75,774.09 is: 113,724.78
Step by Step Solution
- Step 1: Write the proportion equation
175,538.55 : 263,455.26 = 75,774.09 : x - Step 2: Convert to fraction form
175,538.55/263,455.26 = 75,774.09/x - Step 3: Cross multiply
175,538.55x = 263,455.26 × 75,774.09 - Step 4: Simplify right side
175,538.55x = 19,963,082,582.21 - Step 5: Solve for x
x = 19,963,082,582.21/175,538.55 - Step 6: Final answer
x = 113,724.78
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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.