Finding the Fourth Proportional to 287,652.48, 396,962.26 and 160,336.14
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Solution
The fourth proportional to 287,652.48, 396,962.26 and 160,336.14 is: 221,264.90
Step by Step Solution
- Step 1: Write the proportion equation
287,652.48 : 396,962.26 = 160,336.14 : x - Step 2: Convert to fraction form
287,652.48/396,962.26 = 160,336.14/x - Step 3: Cross multiply
287,652.48x = 396,962.26 × 160,336.14 - Step 4: Simplify right side
287,652.48x = 63,647,396,494.08 - Step 5: Solve for x
x = 63,647,396,494.08/287,652.48 - Step 6: Final answer
x = 221,264.90
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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.