Finding the Fourth Proportional to 702,170.28, 1,053,534.26 and 228,859.74
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Solution
The fourth proportional to 702,170.28, 1,053,534.26 and 228,859.74 is: 343,380.49
Step by Step Solution
- Step 1: Write the proportion equation
702,170.28 : 1,053,534.26 = 228,859.74 : x - Step 2: Convert to fraction form
702,170.28/1,053,534.26 = 228,859.74/x - Step 3: Cross multiply
702,170.28x = 1,053,534.26 × 228,859.74 - Step 4: Simplify right side
702,170.28x = 241,111,577,396.84 - Step 5: Solve for x
x = 241,111,577,396.84/702,170.28 - Step 6: Final answer
x = 343,380.49
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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.