Finding the Fourth Proportional to 198,136.23, 273,534.09 and 152,714.67
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Solution
The fourth proportional to 198,136.23, 273,534.09 and 152,714.67 is: 210,828.02
Step by Step Solution
- Step 1: Write the proportion equation
198,136.23 : 273,534.09 = 152,714.67 : x - Step 2: Convert to fraction form
198,136.23/273,534.09 = 152,714.67/x - Step 3: Cross multiply
198,136.23x = 273,534.09 × 152,714.67 - Step 4: Simplify right side
198,136.23x = 41,772,668,288.10 - Step 5: Solve for x
x = 41,772,668,288.10/198,136.23 - Step 6: Final answer
x = 210,828.02
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.