Finding the Fourth Proportional to 192,381.42, 265,560.39 and 172,202.70
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Solution
The fourth proportional to 192,381.42, 265,560.39 and 172,202.70 is: 237,705.99
Step by Step Solution
- Step 1: Write the proportion equation
192,381.42 : 265,560.39 = 172,202.70 : x - Step 2: Convert to fraction form
192,381.42/265,560.39 = 172,202.70/x - Step 3: Cross multiply
192,381.42x = 265,560.39 × 172,202.70 - Step 4: Simplify right side
192,381.42x = 45,730,216,171.05 - Step 5: Solve for x
x = 45,730,216,171.05/192,381.42 - Step 6: Final answer
x = 237,705.99
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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.