Finding the Fourth Proportional to 206,335.05, 284,860.35 and 157,847.64
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Solution
The fourth proportional to 206,335.05, 284,860.35 and 157,847.64 is: 217,920.00
Step by Step Solution
- Step 1: Write the proportion equation
206,335.05 : 284,860.35 = 157,847.64 : x - Step 2: Convert to fraction form
206,335.05/284,860.35 = 157,847.64/x - Step 3: Cross multiply
206,335.05x = 284,860.35 × 157,847.64 - Step 4: Simplify right side
206,335.05x = 44,964,533,977.07 - Step 5: Solve for x
x = 44,964,533,977.07/206,335.05 - Step 6: Final answer
x = 217,920.00
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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.