Finding the Fourth Proportional to 221,882.02, 306,218.62 and 131,267.12
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Solution
The fourth proportional to 221,882.02, 306,218.62 and 131,267.12 is: 181,161.31
Step by Step Solution
- Step 1: Write the proportion equation
221,882.02 : 306,218.62 = 131,267.12 : x - Step 2: Convert to fraction form
221,882.02/306,218.62 = 131,267.12/x - Step 3: Cross multiply
221,882.02x = 306,218.62 × 131,267.12 - Step 4: Simplify right side
221,882.02x = 40,196,436,337.77 - Step 5: Solve for x
x = 40,196,436,337.77/221,882.02 - Step 6: Final answer
x = 181,161.31
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1.5x scale
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.