Finding the Fourth Proportional to 206,484.15, 284,646.51 and 145,947.99
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Solution
The fourth proportional to 206,484.15, 284,646.51 and 145,947.99 is: 201,195.04
Step by Step Solution
- Step 1: Write the proportion equation
206,484.15 : 284,646.51 = 145,947.99 : x - Step 2: Convert to fraction form
206,484.15/284,646.51 = 145,947.99/x - Step 3: Cross multiply
206,484.15x = 284,646.51 × 145,947.99 - Step 4: Simplify right side
206,484.15x = 41,543,585,995.01 - Step 5: Solve for x
x = 41,543,585,995.01/206,484.15 - Step 6: Final answer
x = 201,195.04
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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.