Finding the Fourth Proportional to 496,618.56, 685,349.08 and 281,767.68
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Solution
The fourth proportional to 496,618.56, 685,349.08 and 281,767.68 is: 388,848.17
Step by Step Solution
- Step 1: Write the proportion equation
496,618.56 : 685,349.08 = 281,767.68 : x - Step 2: Convert to fraction form
496,618.56/685,349.08 = 281,767.68/x - Step 3: Cross multiply
496,618.56x = 685,349.08 × 281,767.68 - Step 4: Simplify right side
496,618.56x = 193,109,220,261.73 - Step 5: Solve for x
x = 193,109,220,261.73/496,618.56 - Step 6: Final answer
x = 388,848.17
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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.