Finding the Fourth Proportional to 206,420.44, 284,920.68 and 134,811.58
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Solution
The fourth proportional to 206,420.44, 284,920.68 and 134,811.58 is: 186,079.47
Step by Step Solution
- Step 1: Write the proportion equation
206,420.44 : 284,920.68 = 134,811.58 : x - Step 2: Convert to fraction form
206,420.44/284,920.68 = 134,811.58/x - Step 3: Cross multiply
206,420.44x = 284,920.68 × 134,811.58 - Step 4: Simplify right side
206,420.44x = 38,410,607,045.47 - Step 5: Solve for x
x = 38,410,607,045.47/206,420.44 - Step 6: Final answer
x = 186,079.47
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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.