Finding the Fourth Proportional to 659,188.05, 988,876.83 and 203,814.80
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Solution
The fourth proportional to 659,188.05, 988,876.83 and 203,814.80 is: 305,751.49
Step by Step Solution
- Step 1: Write the proportion equation
659,188.05 : 988,876.83 = 203,814.80 : x - Step 2: Convert to fraction form
659,188.05/988,876.83 = 203,814.80/x - Step 3: Cross multiply
659,188.05x = 988,876.83 × 203,814.80 - Step 4: Simplify right side
659,188.05x = 201,547,728,386.70 - Step 5: Solve for x
x = 201,547,728,386.70/659,188.05 - Step 6: Final answer
x = 305,751.49
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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.