Finding the Fourth Proportional to 162,459.79, 224,250.91 and 111,640.75
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Solution
The fourth proportional to 162,459.79, 224,250.91 and 111,640.75 is: 154,102.99
Step by Step Solution
- Step 1: Write the proportion equation
162,459.79 : 224,250.91 = 111,640.75 : x - Step 2: Convert to fraction form
162,459.79/224,250.91 = 111,640.75/x - Step 3: Cross multiply
162,459.79x = 224,250.91 × 111,640.75 - Step 4: Simplify right side
162,459.79x = 25,035,538,940.85 - Step 5: Solve for x
x = 25,035,538,940.85/162,459.79 - Step 6: Final answer
x = 154,102.99
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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.