Finding the Fourth Proportional to 253,620.12, 349,935.66 and 150,202.11
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Solution
The fourth proportional to 253,620.12, 349,935.66 and 150,202.11 is: 207,243.32
Step by Step Solution
- Step 1: Write the proportion equation
253,620.12 : 349,935.66 = 150,202.11 : x - Step 2: Convert to fraction form
253,620.12/349,935.66 = 150,202.11/x - Step 3: Cross multiply
253,620.12x = 349,935.66 × 150,202.11 - Step 4: Simplify right side
253,620.12x = 52,561,074,496.24 - Step 5: Solve for x
x = 52,561,074,496.24/253,620.12 - Step 6: Final answer
x = 207,243.32
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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.