Finding the Fourth Proportional to 637,687.36, 880,048.36 and 351,207.37
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Solution
The fourth proportional to 637,687.36, 880,048.36 and 351,207.37 is: 484,688.09
Step by Step Solution
- Step 1: Write the proportion equation
637,687.36 : 880,048.36 = 351,207.37 : x - Step 2: Convert to fraction form
637,687.36/880,048.36 = 351,207.37/x - Step 3: Cross multiply
637,687.36x = 880,048.36 × 351,207.37 - Step 4: Simplify right side
637,687.36x = 309,079,469,988.41 - Step 5: Solve for x
x = 309,079,469,988.41/637,687.36 - Step 6: Final answer
x = 484,688.09
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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.