Finding the Fourth Proportional to 287,084.24, 396,173.36 and 159,757.68
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Solution
The fourth proportional to 287,084.24, 396,173.36 and 159,757.68 is: 220,463.99
Step by Step Solution
- Step 1: Write the proportion equation
287,084.24 : 396,173.36 = 159,757.68 : x - Step 2: Convert to fraction form
287,084.24/396,173.36 = 159,757.68/x - Step 3: Cross multiply
287,084.24x = 396,173.36 × 159,757.68 - Step 4: Simplify right side
287,084.24x = 63,291,736,871.40 - Step 5: Solve for x
x = 63,291,736,871.40/287,084.24 - Step 6: Final answer
x = 220,463.99
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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.