Finding the Fourth Proportional to 257,958.24, 355,975.26 and 154,650.84
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Solution
The fourth proportional to 257,958.24, 355,975.26 and 154,650.84 is: 213,413.90
Step by Step Solution
- Step 1: Write the proportion equation
257,958.24 : 355,975.26 = 154,650.84 : x - Step 2: Convert to fraction form
257,958.24/355,975.26 = 154,650.84/x - Step 3: Cross multiply
257,958.24x = 355,975.26 × 154,650.84 - Step 4: Simplify right side
257,958.24x = 55,051,872,978.22 - Step 5: Solve for x
x = 55,051,872,978.22/257,958.24 - Step 6: Final answer
x = 213,413.90
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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.