Finding the Fourth Proportional to 150,439.92, 207,609.36 and 82,456.36
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Solution
The fourth proportional to 150,439.92, 207,609.36 and 82,456.36 is: 113,791.02
Step by Step Solution
- Step 1: Write the proportion equation
150,439.92 : 207,609.36 = 82,456.36 : x - Step 2: Convert to fraction form
150,439.92/207,609.36 = 82,456.36/x - Step 3: Cross multiply
150,439.92x = 207,609.36 × 82,456.36 - Step 4: Simplify right side
150,439.92x = 17,118,712,127.53 - Step 5: Solve for x
x = 17,118,712,127.53/150,439.92 - Step 6: Final answer
x = 113,791.02
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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.