Finding the Fourth Proportional to 216,247.49, 324,430.41 and 104,021.54
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Solution
The fourth proportional to 216,247.49, 324,430.41 and 104,021.54 is: 156,060.77
Step by Step Solution
- Step 1: Write the proportion equation
216,247.49 : 324,430.41 = 104,021.54 : x - Step 2: Convert to fraction form
216,247.49/324,430.41 = 104,021.54/x - Step 3: Cross multiply
216,247.49x = 324,430.41 × 104,021.54 - Step 4: Simplify right side
216,247.49x = 33,747,750,871.03 - Step 5: Solve for x
x = 33,747,750,871.03/216,247.49 - Step 6: Final answer
x = 156,060.77
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1.5x scale
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.