Finding the Fourth Proportional to 395,311.42, 592,470.51 and 170,408.62
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Solution
The fourth proportional to 395,311.42, 592,470.51 and 170,408.62 is: 255,398.85
Step by Step Solution
- Step 1: Write the proportion equation
395,311.42 : 592,470.51 = 170,408.62 : x - Step 2: Convert to fraction form
395,311.42/592,470.51 = 170,408.62/x - Step 3: Cross multiply
395,311.42x = 592,470.51 × 170,408.62 - Step 4: Simplify right side
395,311.42x = 100,962,081,999.80 - Step 5: Solve for x
x = 100,962,081,999.80/395,311.42 - Step 6: Final answer
x = 255,398.85
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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.