Finding the Fourth Proportional to 642,149.64, 963,233.98 and 305,224.94
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Solution
The fourth proportional to 642,149.64, 963,233.98 and 305,224.94 is: 457,841.94
Step by Step Solution
- Step 1: Write the proportion equation
642,149.64 : 963,233.98 = 305,224.94 : x - Step 2: Convert to fraction form
642,149.64/963,233.98 = 305,224.94/x - Step 3: Cross multiply
642,149.64x = 963,233.98 × 305,224.94 - Step 4: Simplify right side
642,149.64x = 294,003,035,396.48 - Step 5: Solve for x
x = 294,003,035,396.48/642,149.64 - Step 6: Final answer
x = 457,841.94
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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.