Finding the Fourth Proportional to 186,405.46, 279,480.60 and 130,276.10
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Solution
The fourth proportional to 186,405.46, 279,480.60 and 130,276.10 is: 195,324.99
Step by Step Solution
- Step 1: Write the proportion equation
186,405.46 : 279,480.60 = 130,276.10 : x - Step 2: Convert to fraction form
186,405.46/279,480.60 = 130,276.10/x - Step 3: Cross multiply
186,405.46x = 279,480.60 × 130,276.10 - Step 4: Simplify right side
186,405.46x = 36,409,643,292.36 - Step 5: Solve for x
x = 36,409,643,292.36/186,405.46 - Step 6: Final answer
x = 195,324.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.