Finding the Fourth Proportional to 573,163.20, 859,744.80 and 307,442.70
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Solution
The fourth proportional to 573,163.20, 859,744.80 and 307,442.70 is: 461,164.05
Step by Step Solution
- Step 1: Write the proportion equation
573,163.20 : 859,744.80 = 307,442.70 : x - Step 2: Convert to fraction form
573,163.20/859,744.80 = 307,442.70/x - Step 3: Cross multiply
573,163.20x = 859,744.80 × 307,442.70 - Step 4: Simplify right side
573,163.20x = 264,322,262,622.96 - Step 5: Solve for x
x = 264,322,262,622.96/573,163.20 - Step 6: Final answer
x = 461,164.05
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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.