Finding the Fourth Proportional to 146,229.19, 219,299.10 and 61,987.75
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Solution
The fourth proportional to 146,229.19, 219,299.10 and 61,987.75 is: 92,962.68
Step by Step Solution
- Step 1: Write the proportion equation
146,229.19 : 219,299.10 = 61,987.75 : x - Step 2: Convert to fraction form
146,229.19/219,299.10 = 61,987.75/x - Step 3: Cross multiply
146,229.19x = 219,299.10 × 61,987.75 - Step 4: Simplify right side
146,229.19x = 13,593,857,786.03 - Step 5: Solve for x
x = 13,593,857,786.03/146,229.19 - Step 6: Final answer
x = 92,962.68
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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.