Finding the Fourth Proportional to 332,391.40, 498,246.90 and 163,652.20
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Solution
The fourth proportional to 332,391.40, 498,246.90 and 163,652.20 is: 245,310.80
Step by Step Solution
- Step 1: Write the proportion equation
332,391.40 : 498,246.90 = 163,652.20 : x - Step 2: Convert to fraction form
332,391.40/498,246.90 = 163,652.20/x - Step 3: Cross multiply
332,391.40x = 498,246.90 × 163,652.20 - Step 4: Simplify right side
332,391.40x = 81,539,201,328.18 - Step 5: Solve for x
x = 81,539,201,328.18/332,391.40 - Step 6: Final answer
x = 245,310.80
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1.5x scale
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.