Finding the Fourth Proportional to 207,293.50, 310,362.87 and 105,871.99
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Solution
The fourth proportional to 207,293.50, 310,362.87 and 105,871.99 is: 158,513.09
Step by Step Solution
- Step 1: Write the proportion equation
207,293.50 : 310,362.87 = 105,871.99 : x - Step 2: Convert to fraction form
207,293.50/310,362.87 = 105,871.99/x - Step 3: Cross multiply
207,293.50x = 310,362.87 × 105,871.99 - Step 4: Simplify right side
207,293.50x = 32,858,733,105.86 - Step 5: Solve for x
x = 32,858,733,105.86/207,293.50 - Step 6: Final answer
x = 158,513.09
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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.