Finding the Fourth Proportional to 299,576.81, 413,418.80 and 170,508.96
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Solution
The fourth proportional to 299,576.81, 413,418.80 and 170,508.96 is: 235,303.96
Step by Step Solution
- Step 1: Write the proportion equation
299,576.81 : 413,418.80 = 170,508.96 : x - Step 2: Convert to fraction form
299,576.81/413,418.80 = 170,508.96/x - Step 3: Cross multiply
299,576.81x = 413,418.80 × 170,508.96 - Step 4: Simplify right side
299,576.81x = 70,491,609,632.45 - Step 5: Solve for x
x = 70,491,609,632.45/299,576.81 - Step 6: Final answer
x = 235,303.96
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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.