Finding the Fourth Proportional to 146,217.80, 219,326.70 and 132,439.70
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Solution
The fourth proportional to 146,217.80, 219,326.70 and 132,439.70 is: 198,659.55
Step by Step Solution
- Step 1: Write the proportion equation
146,217.80 : 219,326.70 = 132,439.70 : x - Step 2: Convert to fraction form
146,217.80/219,326.70 = 132,439.70/x - Step 3: Cross multiply
146,217.80x = 219,326.70 × 132,439.70 - Step 4: Simplify right side
146,217.80x = 29,047,562,349.99 - Step 5: Solve for x
x = 29,047,562,349.99/146,217.80 - Step 6: Final answer
x = 198,659.55
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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.