Finding the Fourth Proportional to 485,906.44, 728,547.48 and 201,792.96
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Solution
The fourth proportional to 485,906.44, 728,547.48 and 201,792.96 is: 302,559.79
Step by Step Solution
- Step 1: Write the proportion equation
485,906.44 : 728,547.48 = 201,792.96 : x - Step 2: Convert to fraction form
485,906.44/728,547.48 = 201,792.96/x - Step 3: Cross multiply
485,906.44x = 728,547.48 × 201,792.96 - Step 4: Simplify right side
485,906.44x = 147,015,752,489.74 - Step 5: Solve for x
x = 147,015,752,489.74/485,906.44 - Step 6: Final answer
x = 302,559.79
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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.