Finding the Fourth Proportional to 395,468.60, 545,747.11 and 214,180.74
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Solution
The fourth proportional to 395,468.60, 545,747.11 and 214,180.74 is: 295,569.66
Step by Step Solution
- Step 1: Write the proportion equation
395,468.60 : 545,747.11 = 214,180.74 : x - Step 2: Convert to fraction form
395,468.60/545,747.11 = 214,180.74/x - Step 3: Cross multiply
395,468.60x = 545,747.11 × 214,180.74 - Step 4: Simplify right side
395,468.60x = 116,888,519,337.21 - Step 5: Solve for x
x = 116,888,519,337.21/395,468.60 - Step 6: Final answer
x = 295,569.66
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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.