Finding the Fourth Proportional to 496,879.08, 685,709.99 and 279,126.17
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Solution
The fourth proportional to 496,879.08, 685,709.99 and 279,126.17 is: 385,203.59
Step by Step Solution
- Step 1: Write the proportion equation
496,879.08 : 685,709.99 = 279,126.17 : x - Step 2: Convert to fraction form
496,879.08/685,709.99 = 279,126.17/x - Step 3: Cross multiply
496,879.08x = 685,709.99 × 279,126.17 - Step 4: Simplify right side
496,879.08x = 191,399,602,033.39 - Step 5: Solve for x
x = 191,399,602,033.39/496,879.08 - Step 6: Final answer
x = 385,203.59
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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.