Finding the Fourth Proportional to 395,737.20, 546,119.27 and 214,449.09
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Solution
The fourth proportional to 395,737.20, 546,119.27 and 214,449.09 is: 295,940.79
Step by Step Solution
- Step 1: Write the proportion equation
395,737.20 : 546,119.27 = 214,449.09 : x - Step 2: Convert to fraction form
395,737.20/546,119.27 = 214,449.09/x - Step 3: Cross multiply
395,737.20x = 546,119.27 × 214,449.09 - Step 4: Simplify right side
395,737.20x = 117,114,779,410.72 - Step 5: Solve for x
x = 117,114,779,410.72/395,737.20 - Step 6: Final answer
x = 295,940.79
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1.5x scale
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.