Finding the Fourth Proportional to 496,888.08, 685,722.42 and 279,135.18
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Solution
The fourth proportional to 496,888.08, 685,722.42 and 279,135.18 is: 385,216.03
Step by Step Solution
- Step 1: Write the proportion equation
496,888.08 : 685,722.42 = 279,135.18 : x - Step 2: Convert to fraction form
496,888.08/685,722.42 = 279,135.18/x - Step 3: Cross multiply
496,888.08x = 685,722.42 × 279,135.18 - Step 4: Simplify right side
496,888.08x = 191,409,251,136.74 - Step 5: Solve for x
x = 191,409,251,136.74/496,888.08 - Step 6: Final answer
x = 385,216.03
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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.