Finding the Fourth Proportional to 235,208.05, 324,614.93 and 139,715.13
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Solution
The fourth proportional to 235,208.05, 324,614.93 and 139,715.13 is: 192,823.40
Step by Step Solution
- Step 1: Write the proportion equation
235,208.05 : 324,614.93 = 139,715.13 : x - Step 2: Convert to fraction form
235,208.05/324,614.93 = 139,715.13/x - Step 3: Cross multiply
235,208.05x = 324,614.93 × 139,715.13 - Step 4: Simplify right side
235,208.05x = 45,353,615,871.10 - Step 5: Solve for x
x = 45,353,615,871.10/235,208.05 - Step 6: Final answer
x = 192,823.40
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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.