Finding the Fourth Proportional to 253,911.57, 350,389.36 and 146,478.84
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Solution
The fourth proportional to 253,911.57, 350,389.36 and 146,478.84 is: 202,135.83
Step by Step Solution
- Step 1: Write the proportion equation
253,911.57 : 350,389.36 = 146,478.84 : x - Step 2: Convert to fraction form
253,911.57/350,389.36 = 146,478.84/x - Step 3: Cross multiply
253,911.57x = 350,389.36 × 146,478.84 - Step 4: Simplify right side
253,911.57x = 51,324,627,001.14 - Step 5: Solve for x
x = 51,324,627,001.14/253,911.57 - Step 6: Final answer
x = 202,135.83
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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.