Finding the Fourth Proportional to 449,480.28, 620,069.58 and 304,339.08
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Solution
The fourth proportional to 449,480.28, 620,069.58 and 304,339.08 is: 419,843.57
Step by Step Solution
- Step 1: Write the proportion equation
449,480.28 : 620,069.58 = 304,339.08 : x - Step 2: Convert to fraction form
449,480.28/620,069.58 = 304,339.08/x - Step 3: Cross multiply
449,480.28x = 620,069.58 × 304,339.08 - Step 4: Simplify right side
449,480.28x = 188,711,405,513.19 - Step 5: Solve for x
x = 188,711,405,513.19/449,480.28 - Step 6: Final answer
x = 419,843.57
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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.