Finding the Fourth Proportional to 395,130.79, 592,097.49 and 261,532.44
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Solution
The fourth proportional to 395,130.79, 592,097.49 and 261,532.44 is: 391,902.39
Step by Step Solution
- Step 1: Write the proportion equation
395,130.79 : 592,097.49 = 261,532.44 : x - Step 2: Convert to fraction form
395,130.79/592,097.49 = 261,532.44/x - Step 3: Cross multiply
395,130.79x = 592,097.49 × 261,532.44 - Step 4: Simplify right side
395,130.79x = 154,852,701,277.58 - Step 5: Solve for x
x = 154,852,701,277.58/395,130.79 - Step 6: Final answer
x = 391,902.39
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.