Finding the Fourth Proportional to 395,129.54, 592,095.62 and 261,531.18
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Solution
The fourth proportional to 395,129.54, 592,095.62 and 261,531.18 is: 391,900.50
Step by Step Solution
- Step 1: Write the proportion equation
395,129.54 : 592,095.62 = 261,531.18 : x - Step 2: Convert to fraction form
395,129.54/592,095.62 = 261,531.18/x - Step 3: Cross multiply
395,129.54x = 592,095.62 × 261,531.18 - Step 4: Simplify right side
395,129.54x = 154,851,464,863.78 - Step 5: Solve for x
x = 154,851,464,863.78/395,129.54 - Step 6: Final answer
x = 391,900.50
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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.