Finding the Fourth Proportional to 344,406.12, 475,286.12 and 189,363.97
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Solution
The fourth proportional to 344,406.12, 475,286.12 and 189,363.97 is: 261,325.39
Step by Step Solution
- Step 1: Write the proportion equation
344,406.12 : 475,286.12 = 189,363.97 : x - Step 2: Convert to fraction form
344,406.12/475,286.12 = 189,363.97/x - Step 3: Cross multiply
344,406.12x = 475,286.12 × 189,363.97 - Step 4: Simplify right side
344,406.12x = 90,002,063,897.96 - Step 5: Solve for x
x = 90,002,063,897.96/344,406.12 - Step 6: Final answer
x = 261,325.39
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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.