Finding the Fourth Proportional to 364,520.80, 546,781.20 and 252,327.70
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Solution
The fourth proportional to 364,520.80, 546,781.20 and 252,327.70 is: 378,491.55
Step by Step Solution
- Step 1: Write the proportion equation
364,520.80 : 546,781.20 = 252,327.70 : x - Step 2: Convert to fraction form
364,520.80/546,781.20 = 252,327.70/x - Step 3: Cross multiply
364,520.80x = 546,781.20 × 252,327.70 - Step 4: Simplify right side
364,520.80x = 137,968,042,599.24 - Step 5: Solve for x
x = 137,968,042,599.24/364,520.80 - Step 6: Final answer
x = 378,491.55
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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.