Finding the Fourth Proportional to 395,175.35, 545,355.18 and 242,183.99
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Solution
The fourth proportional to 395,175.35, 545,355.18 and 242,183.99 is: 334,221.99
Step by Step Solution
- Step 1: Write the proportion equation
395,175.35 : 545,355.18 = 242,183.99 : x - Step 2: Convert to fraction form
395,175.35/545,355.18 = 242,183.99/x - Step 3: Cross multiply
395,175.35x = 545,355.18 × 242,183.99 - Step 4: Simplify right side
395,175.35x = 132,076,290,732.79 - Step 5: Solve for x
x = 132,076,290,732.79/395,175.35 - Step 6: Final answer
x = 334,221.99
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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.