Finding the Fourth Proportional to 198,631.68, 297,884.32 and 65,487.12
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Solution
The fourth proportional to 198,631.68, 297,884.32 and 65,487.12 is: 98,209.84
Step by Step Solution
- Step 1: Write the proportion equation
198,631.68 : 297,884.32 = 65,487.12 : x - Step 2: Convert to fraction form
198,631.68/297,884.32 = 65,487.12/x - Step 3: Cross multiply
198,631.68x = 297,884.32 × 65,487.12 - Step 4: Simplify right side
198,631.68x = 19,507,586,209.96 - Step 5: Solve for x
x = 19,507,586,209.96/198,631.68 - Step 6: Final answer
x = 98,209.84
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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.