Finding the Fourth Proportional to 218,048.40, 327,169.80 and 99,658.80
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Solution
The fourth proportional to 218,048.40, 327,169.80 and 99,658.80 is: 149,532.63
Step by Step Solution
- Step 1: Write the proportion equation
218,048.40 : 327,169.80 = 99,658.80 : x - Step 2: Convert to fraction form
218,048.40/327,169.80 = 99,658.80/x - Step 3: Cross multiply
218,048.40x = 327,169.80 × 99,658.80 - Step 4: Simplify right side
218,048.40x = 32,605,349,664.24 - Step 5: Solve for x
x = 32,605,349,664.24/218,048.40 - Step 6: Final answer
x = 149,532.63
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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.