Finding the Fourth Proportional to 186,800.60, 257,785.26 and 106,226.12
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Solution
The fourth proportional to 186,800.60, 257,785.26 and 106,226.12 is: 146,592.29
Step by Step Solution
- Step 1: Write the proportion equation
186,800.60 : 257,785.26 = 106,226.12 : x - Step 2: Convert to fraction form
186,800.60/257,785.26 = 106,226.12/x - Step 3: Cross multiply
186,800.60x = 257,785.26 × 106,226.12 - Step 4: Simplify right side
186,800.60x = 27,383,527,962.99 - Step 5: Solve for x
x = 27,383,527,962.99/186,800.60 - Step 6: Final answer
x = 146,592.29
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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.