Finding the Fourth Proportional to 656,622.48, 984,963.93 and 201,181.11
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Solution
The fourth proportional to 656,622.48, 984,963.93 and 201,181.11 is: 301,780.92
Step by Step Solution
- Step 1: Write the proportion equation
656,622.48 : 984,963.93 = 201,181.11 : x - Step 2: Convert to fraction form
656,622.48/984,963.93 = 201,181.11/x - Step 3: Cross multiply
656,622.48x = 984,963.93 × 201,181.11 - Step 4: Simplify right side
656,622.48x = 198,156,136,747.36 - Step 5: Solve for x
x = 198,156,136,747.36/656,622.48 - Step 6: Final answer
x = 301,780.92
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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.