Finding the Fourth Proportional to 495,777.99, 684,117.99 and 280,872.03
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Solution
The fourth proportional to 495,777.99, 684,117.99 and 280,872.03 is: 387,571.88
Step by Step Solution
- Step 1: Write the proportion equation
495,777.99 : 684,117.99 = 280,872.03 : x - Step 2: Convert to fraction form
495,777.99/684,117.99 = 280,872.03/x - Step 3: Cross multiply
495,777.99x = 684,117.99 × 280,872.03 - Step 4: Simplify right side
495,777.99x = 192,149,608,610.82 - Step 5: Solve for x
x = 192,149,608,610.82/495,777.99 - Step 6: Final answer
x = 387,571.88
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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.