Finding the Fourth Proportional to 336,449.72, 464,372.67 and 193,288.70
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Solution
The fourth proportional to 336,449.72, 464,372.67 and 193,288.70 is: 266,779.80
Step by Step Solution
- Step 1: Write the proportion equation
336,449.72 : 464,372.67 = 193,288.70 : x - Step 2: Convert to fraction form
336,449.72/464,372.67 = 193,288.70/x - Step 3: Cross multiply
336,449.72x = 464,372.67 × 193,288.70 - Step 4: Simplify right side
336,449.72x = 89,757,989,699.83 - Step 5: Solve for x
x = 89,757,989,699.83/336,449.72 - Step 6: Final answer
x = 266,779.80
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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.