Finding the Fourth Proportional to 416,797.70, 575,181.39 and 225,811.09
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Solution
The fourth proportional to 416,797.70, 575,181.39 and 225,811.09 is: 311,619.60
Step by Step Solution
- Step 1: Write the proportion equation
416,797.70 : 575,181.39 = 225,811.09 : x - Step 2: Convert to fraction form
416,797.70/575,181.39 = 225,811.09/x - Step 3: Cross multiply
416,797.70x = 575,181.39 × 225,811.09 - Step 4: Simplify right side
416,797.70x = 129,882,333,747.71 - Step 5: Solve for x
x = 129,882,333,747.71/416,797.70 - Step 6: Final answer
x = 311,619.60
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.