Finding the Fourth Proportional to 498,729.84, 748,199.84 and 161,744.21
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Solution
The fourth proportional to 498,729.84, 748,199.84 and 161,744.21 is: 242,650.39
Step by Step Solution
- Step 1: Write the proportion equation
498,729.84 : 748,199.84 = 161,744.21 : x - Step 2: Convert to fraction form
498,729.84/748,199.84 = 161,744.21/x - Step 3: Cross multiply
498,729.84x = 748,199.84 × 161,744.21 - Step 4: Simplify right side
498,729.84x = 121,016,990,298.96 - Step 5: Solve for x
x = 121,016,990,298.96/498,729.84 - Step 6: Final answer
x = 242,650.39
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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.