Finding the Fourth Proportional to 387,553.68, 534,868.11 and 244,305.18
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Solution
The fourth proportional to 387,553.68, 534,868.11 and 244,305.18 is: 337,168.90
Step by Step Solution
- Step 1: Write the proportion equation
387,553.68 : 534,868.11 = 244,305.18 : x - Step 2: Convert to fraction form
387,553.68/534,868.11 = 244,305.18/x - Step 3: Cross multiply
387,553.68x = 534,868.11 × 244,305.18 - Step 4: Simplify right side
387,553.68x = 130,671,049,889.81 - Step 5: Solve for x
x = 130,671,049,889.81/387,553.68 - Step 6: Final answer
x = 337,168.90
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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.