Finding the Fourth Proportional to 332,236.80, 498,428.10 and 163,837.80
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Solution
The fourth proportional to 332,236.80, 498,428.10 and 163,837.80 is: 245,792.65
Step by Step Solution
- Step 1: Write the proportion equation
332,236.80 : 498,428.10 = 163,837.80 : x - Step 2: Convert to fraction form
332,236.80/498,428.10 = 163,837.80/x - Step 3: Cross multiply
332,236.80x = 498,428.10 × 163,837.80 - Step 4: Simplify right side
332,236.80x = 81,661,363,362.18 - Step 5: Solve for x
x = 81,661,363,362.18/332,236.80 - Step 6: Final answer
x = 245,792.65
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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.