Finding the Fourth Proportional to 206,130.08, 284,482.44 and 115,500.80
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Solution
The fourth proportional to 206,130.08, 284,482.44 and 115,500.80 is: 159,403.95
Step by Step Solution
- Step 1: Write the proportion equation
206,130.08 : 284,482.44 = 115,500.80 : x - Step 2: Convert to fraction form
206,130.08/284,482.44 = 115,500.80/x - Step 3: Cross multiply
206,130.08x = 284,482.44 × 115,500.80 - Step 4: Simplify right side
206,130.08x = 32,857,949,405.95 - Step 5: Solve for x
x = 32,857,949,405.95/206,130.08 - Step 6: Final answer
x = 159,403.95
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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.