Finding the Fourth Proportional to 395,056.44, 592,646.22 and 128,755.17
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Solution
The fourth proportional to 395,056.44, 592,646.22 and 128,755.17 is: 193,152.82
Step by Step Solution
- Step 1: Write the proportion equation
395,056.44 : 592,646.22 = 128,755.17 : x - Step 2: Convert to fraction form
395,056.44/592,646.22 = 128,755.17/x - Step 3: Cross multiply
395,056.44x = 592,646.22 × 128,755.17 - Step 4: Simplify right side
395,056.44x = 76,306,264,805.96 - Step 5: Solve for x
x = 76,306,264,805.96/395,056.44 - Step 6: Final answer
x = 193,152.82
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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.