Finding the Fourth Proportional to 471,084.18, 706,358.59 and 321,505.68
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Solution
The fourth proportional to 471,084.18, 706,358.59 and 321,505.68 is: 482,075.83
Step by Step Solution
- Step 1: Write the proportion equation
471,084.18 : 706,358.59 = 321,505.68 : x - Step 2: Convert to fraction form
471,084.18/706,358.59 = 321,505.68/x - Step 3: Cross multiply
471,084.18x = 706,358.59 × 321,505.68 - Step 4: Simplify right side
471,084.18x = 227,098,297,998.03 - Step 5: Solve for x
x = 227,098,297,998.03/471,084.18 - Step 6: Final answer
x = 482,075.83
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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.