Finding the Fourth Proportional to 197,964.84, 273,119.88 and 130,018.62
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Solution
The fourth proportional to 197,964.84, 273,119.88 and 130,018.62 is: 179,378.67
Step by Step Solution
- Step 1: Write the proportion equation
197,964.84 : 273,119.88 = 130,018.62 : x - Step 2: Convert to fraction form
197,964.84/273,119.88 = 130,018.62/x - Step 3: Cross multiply
197,964.84x = 273,119.88 × 130,018.62 - Step 4: Simplify right side
197,964.84x = 35,510,669,892.17 - Step 5: Solve for x
x = 35,510,669,892.17/197,964.84 - Step 6: Final answer
x = 179,378.67
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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.