Finding the Fourth Proportional to 681,554.84, 1,022,342.85 and 201,831.17
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Solution
The fourth proportional to 681,554.84, 1,022,342.85 and 201,831.17 is: 302,749.89
Step by Step Solution
- Step 1: Write the proportion equation
681,554.84 : 1,022,342.85 = 201,831.17 : x - Step 2: Convert to fraction form
681,554.84/1,022,342.85 = 201,831.17/x - Step 3: Cross multiply
681,554.84x = 1,022,342.85 × 201,831.17 - Step 4: Simplify right side
681,554.84x = 206,340,653,556.64 - Step 5: Solve for x
x = 206,340,653,556.64/681,554.84 - Step 6: Final answer
x = 302,749.89
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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.