Finding the Fourth Proportional to 402,125.22, 554,794.05 and 257,015.96
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Solution
The fourth proportional to 402,125.22, 554,794.05 and 257,015.96 is: 354,593.33
Step by Step Solution
- Step 1: Write the proportion equation
402,125.22 : 554,794.05 = 257,015.96 : x - Step 2: Convert to fraction form
402,125.22/554,794.05 = 257,015.96/x - Step 3: Cross multiply
402,125.22x = 554,794.05 × 257,015.96 - Step 4: Simplify right side
402,125.22x = 142,590,922,589.07 - Step 5: Solve for x
x = 142,590,922,589.07/402,125.22 - Step 6: Final answer
x = 354,593.33
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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.