Finding the Fourth Proportional to 637,614.76, 879,894.98 and 351,137.20
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Solution
The fourth proportional to 637,614.76, 879,894.98 and 351,137.20 is: 484,561.96
Step by Step Solution
- Step 1: Write the proportion equation
637,614.76 : 879,894.98 = 351,137.20 : x - Step 2: Convert to fraction form
637,614.76/879,894.98 = 351,137.20/x - Step 3: Cross multiply
637,614.76x = 879,894.98 × 351,137.20 - Step 4: Simplify right side
637,614.76x = 308,963,859,571.26 - Step 5: Solve for x
x = 308,963,859,571.26/637,614.76 - Step 6: Final answer
x = 484,561.96
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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.