Finding the Fourth Proportional to 146,609.10, 219,913.65 and 133,049.70
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Solution
The fourth proportional to 146,609.10, 219,913.65 and 133,049.70 is: 199,574.55
Step by Step Solution
- Step 1: Write the proportion equation
146,609.10 : 219,913.65 = 133,049.70 : x - Step 2: Convert to fraction form
146,609.10/219,913.65 = 133,049.70/x - Step 3: Cross multiply
146,609.10x = 219,913.65 × 133,049.70 - Step 4: Simplify right side
146,609.10x = 29,259,445,158.41 - Step 5: Solve for x
x = 29,259,445,158.41/146,609.10 - Step 6: Final answer
x = 199,574.55
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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.