Finding the Fourth Proportional to 498,236.36, 746,728.29 and 213,590.18
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Solution
The fourth proportional to 498,236.36, 746,728.29 and 213,590.18 is: 320,116.80
Step by Step Solution
- Step 1: Write the proportion equation
498,236.36 : 746,728.29 = 213,590.18 : x - Step 2: Convert to fraction form
498,236.36/746,728.29 = 213,590.18/x - Step 3: Cross multiply
498,236.36x = 746,728.29 × 213,590.18 - Step 4: Simplify right side
498,236.36x = 159,493,829,872.19 - Step 5: Solve for x
x = 159,493,829,872.19/498,236.36 - Step 6: Final answer
x = 320,116.80
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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.