Finding the Fourth Proportional to 248,720.36, 343,349.34 and 146,711.48
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Solution
The fourth proportional to 248,720.36, 343,349.34 and 146,711.48 is: 202,529.82
Step by Step Solution
- Step 1: Write the proportion equation
248,720.36 : 343,349.34 = 146,711.48 : x - Step 2: Convert to fraction form
248,720.36/343,349.34 = 146,711.48/x - Step 3: Cross multiply
248,720.36x = 343,349.34 × 146,711.48 - Step 4: Simplify right side
248,720.36x = 50,373,289,828.42 - Step 5: Solve for x
x = 50,373,289,828.42/248,720.36 - Step 6: Final answer
x = 202,529.82
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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.