Finding the Fourth Proportional to 146,299.20, 219,301.92 and 99,574.08
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Solution
The fourth proportional to 146,299.20, 219,301.92 and 99,574.08 is: 149,261.15
Step by Step Solution
- Step 1: Write the proportion equation
146,299.20 : 219,301.92 = 99,574.08 : x - Step 2: Convert to fraction form
146,299.20/219,301.92 = 99,574.08/x - Step 3: Cross multiply
146,299.20x = 219,301.92 × 99,574.08 - Step 4: Simplify right side
146,299.20x = 21,836,786,926.23 - Step 5: Solve for x
x = 21,836,786,926.23/146,299.20 - Step 6: Final answer
x = 149,261.15
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1.5x scale
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.