Finding the Fourth Proportional to 192,825.24, 266,129.70 and 147,415.80
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Solution
The fourth proportional to 192,825.24, 266,129.70 and 147,415.80 is: 203,457.40
Step by Step Solution
- Step 1: Write the proportion equation
192,825.24 : 266,129.70 = 147,415.80 : x - Step 2: Convert to fraction form
192,825.24/266,129.70 = 147,415.80/x - Step 3: Cross multiply
192,825.24x = 266,129.70 × 147,415.80 - Step 4: Simplify right side
192,825.24x = 39,231,722,629.26 - Step 5: Solve for x
x = 39,231,722,629.26/192,825.24 - Step 6: Final answer
x = 203,457.40
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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.