Finding the Fourth Proportional to 605,430.40, 908,241.60 and 206,108.80
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Solution
The fourth proportional to 605,430.40, 908,241.60 and 206,108.80 is: 309,195.88
Step by Step Solution
- Step 1: Write the proportion equation
605,430.40 : 908,241.60 = 206,108.80 : x - Step 2: Convert to fraction form
605,430.40/908,241.60 = 206,108.80/x - Step 3: Cross multiply
605,430.40x = 908,241.60 × 206,108.80 - Step 4: Simplify right side
605,430.40x = 187,196,586,286.08 - Step 5: Solve for x
x = 187,196,586,286.08/605,430.40 - Step 6: Final answer
x = 309,195.88
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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.