Finding the Fourth Proportional to 395,487.46, 545,773.26 and 214,199.74
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Solution
The fourth proportional to 395,487.46, 545,773.26 and 214,199.74 is: 295,595.95
Step by Step Solution
- Step 1: Write the proportion equation
395,487.46 : 545,773.26 = 214,199.74 : x - Step 2: Convert to fraction form
395,487.46/545,773.26 = 214,199.74/x - Step 3: Cross multiply
395,487.46x = 545,773.26 × 214,199.74 - Step 4: Simplify right side
395,487.46x = 116,904,490,390.95 - Step 5: Solve for x
x = 116,904,490,390.95/395,487.46 - Step 6: Final answer
x = 295,595.95
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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.