Finding the Fourth Proportional to 443,563.18, 612,116.58 and 252,576.57
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Solution
The fourth proportional to 443,563.18, 612,116.58 and 252,576.57 is: 348,555.32
Step by Step Solution
- Step 1: Write the proportion equation
443,563.18 : 612,116.58 = 252,576.57 : x - Step 2: Convert to fraction form
443,563.18/612,116.58 = 252,576.57/x - Step 3: Cross multiply
443,563.18x = 612,116.58 × 252,576.57 - Step 4: Simplify right side
443,563.18x = 154,606,303,921.09 - Step 5: Solve for x
x = 154,606,303,921.09/443,563.18 - Step 6: Final answer
x = 348,555.32
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.