Finding the Fourth Proportional to 223,126.99, 307,912.09 and 126,328.35
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Solution
The fourth proportional to 223,126.99, 307,912.09 and 126,328.35 is: 174,331.33
Step by Step Solution
- Step 1: Write the proportion equation
223,126.99 : 307,912.09 = 126,328.35 : x - Step 2: Convert to fraction form
223,126.99/307,912.09 = 126,328.35/x - Step 3: Cross multiply
223,126.99x = 307,912.09 × 126,328.35 - Step 4: Simplify right side
223,126.99x = 38,898,025,978.70 - Step 5: Solve for x
x = 38,898,025,978.70/223,126.99 - Step 6: Final answer
x = 174,331.33
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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.