Finding the Fourth Proportional to 656,633.02, 984,979.68 and 201,191.62
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Solution
The fourth proportional to 656,633.02, 984,979.68 and 201,191.62 is: 301,796.67
Step by Step Solution
- Step 1: Write the proportion equation
656,633.02 : 984,979.68 = 201,191.62 : x - Step 2: Convert to fraction form
656,633.02/984,979.68 = 201,191.62/x - Step 3: Cross multiply
656,633.02x = 984,979.68 × 201,191.62 - Step 4: Simplify right side
656,633.02x = 198,169,657,486.28 - Step 5: Solve for x
x = 198,169,657,486.28/656,633.02 - Step 6: Final answer
x = 301,796.67
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.