Finding the Fourth Proportional to 471,143.36, 706,343.36 and 234,356.80
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Solution
The fourth proportional to 471,143.36, 706,343.36 and 234,356.80 is: 351,350.32
Step by Step Solution
- Step 1: Write the proportion equation
471,143.36 : 706,343.36 = 234,356.80 : x - Step 2: Convert to fraction form
471,143.36/706,343.36 = 234,356.80/x - Step 3: Cross multiply
471,143.36x = 706,343.36 × 234,356.80 - Step 4: Simplify right side
471,143.36x = 165,536,369,550.85 - Step 5: Solve for x
x = 165,536,369,550.85/471,143.36 - Step 6: Final answer
x = 351,350.32
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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.