Finding the Fourth Proportional to 359,815.62, 496,337.40 and 232,491.21
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Solution
The fourth proportional to 359,815.62, 496,337.40 and 232,491.21 is: 320,703.37
Step by Step Solution
- Step 1: Write the proportion equation
359,815.62 : 496,337.40 = 232,491.21 : x - Step 2: Convert to fraction form
359,815.62/496,337.40 = 232,491.21/x - Step 3: Cross multiply
359,815.62x = 496,337.40 × 232,491.21 - Step 4: Simplify right side
359,815.62x = 115,394,082,152.22 - Step 5: Solve for x
x = 115,394,082,152.22/359,815.62 - Step 6: Final answer
x = 320,703.37
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.