Finding the Fourth Proportional to 636,612.81, 954,716.67 and 210,069.12
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Solution
The fourth proportional to 636,612.81, 954,716.67 and 210,069.12 is: 315,036.84
Step by Step Solution
- Step 1: Write the proportion equation
636,612.81 : 954,716.67 = 210,069.12 : x - Step 2: Convert to fraction form
636,612.81/954,716.67 = 210,069.12/x - Step 3: Cross multiply
636,612.81x = 954,716.67 × 210,069.12 - Step 4: Simplify right side
636,612.81x = 200,556,490,716.23 - Step 5: Solve for x
x = 200,556,490,716.23/636,612.81 - Step 6: Final answer
x = 315,036.84
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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.