Finding the Fourth Proportional to 485,027.08, 669,337.08 and 281,196.44
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Solution
The fourth proportional to 485,027.08, 669,337.08 and 281,196.44 is: 388,050.92
Step by Step Solution
- Step 1: Write the proportion equation
485,027.08 : 669,337.08 = 281,196.44 : x - Step 2: Convert to fraction form
485,027.08/669,337.08 = 281,196.44/x - Step 3: Cross multiply
485,027.08x = 669,337.08 × 281,196.44 - Step 4: Simplify right side
485,027.08x = 188,215,204,056.00 - Step 5: Solve for x
x = 188,215,204,056.00/485,027.08 - Step 6: Final answer
x = 388,050.92
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.