Finding the Fourth Proportional to 179,630.79, 269,467.68 and 72,991.98
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Solution
The fourth proportional to 179,630.79, 269,467.68 and 72,991.98 is: 109,496.70
Step by Step Solution
- Step 1: Write the proportion equation
179,630.79 : 269,467.68 = 72,991.98 : x - Step 2: Convert to fraction form
179,630.79/269,467.68 = 72,991.98/x - Step 3: Cross multiply
179,630.79x = 269,467.68 × 72,991.98 - Step 4: Simplify right side
179,630.79x = 19,668,979,509.21 - Step 5: Solve for x
x = 19,668,979,509.21/179,630.79 - Step 6: Final answer
x = 109,496.70
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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.