Finding the Fourth Proportional to 146,623.10, 219,934.65 and 133,063.70
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Solution
The fourth proportional to 146,623.10, 219,934.65 and 133,063.70 is: 199,595.55
Step by Step Solution
- Step 1: Write the proportion equation
146,623.10 : 219,934.65 = 133,063.70 : x - Step 2: Convert to fraction form
146,623.10/219,934.65 = 133,063.70/x - Step 3: Cross multiply
146,623.10x = 219,934.65 × 133,063.70 - Step 4: Simplify right side
146,623.10x = 29,265,318,287.21 - Step 5: Solve for x
x = 29,265,318,287.21/146,623.10 - Step 6: Final answer
x = 199,595.55
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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.