Finding the Fourth Proportional to 395,337.89, 545,565.47 and 214,049.99
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Solution
The fourth proportional to 395,337.89, 545,565.47 and 214,049.99 is: 295,388.54
Step by Step Solution
- Step 1: Write the proportion equation
395,337.89 : 545,565.47 = 214,049.99 : x - Step 2: Convert to fraction form
395,337.89/545,565.47 = 214,049.99/x - Step 3: Cross multiply
395,337.89x = 545,565.47 × 214,049.99 - Step 4: Simplify right side
395,337.89x = 116,778,279,599.77 - Step 5: Solve for x
x = 116,778,279,599.77/395,337.89 - Step 6: Final answer
x = 295,388.54
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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.