Finding the Fourth Proportional to 146,239.36, 219,449.76 and 67,364.80
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Solution
The fourth proportional to 146,239.36, 219,449.76 and 67,364.80 is: 101,088.99
Step by Step Solution
- Step 1: Write the proportion equation
146,239.36 : 219,449.76 = 67,364.80 : x - Step 2: Convert to fraction form
146,239.36/219,449.76 = 67,364.80/x - Step 3: Cross multiply
146,239.36x = 219,449.76 × 67,364.80 - Step 4: Simplify right side
146,239.36x = 14,783,189,192.45 - Step 5: Solve for x
x = 14,783,189,192.45/146,239.36 - Step 6: Final answer
x = 101,088.99
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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.