Finding the Fourth Proportional to 364,812.80, 547,219.20 and 252,619.70
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Solution
The fourth proportional to 364,812.80, 547,219.20 and 252,619.70 is: 378,929.55
Step by Step Solution
- Step 1: Write the proportion equation
364,812.80 : 547,219.20 = 252,619.70 : x - Step 2: Convert to fraction form
364,812.80/547,219.20 = 252,619.70/x - Step 3: Cross multiply
364,812.80x = 547,219.20 × 252,619.70 - Step 4: Simplify right side
364,812.80x = 138,238,350,138.24 - Step 5: Solve for x
x = 138,238,350,138.24/364,812.80 - Step 6: Final answer
x = 378,929.55
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.