Finding the Fourth Proportional to 399,084.98, 550,745.97 and 217,797.62
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Solution
The fourth proportional to 399,084.98, 550,745.97 and 217,797.62 is: 300,565.46
Step by Step Solution
- Step 1: Write the proportion equation
399,084.98 : 550,745.97 = 217,797.62 : x - Step 2: Convert to fraction form
399,084.98/550,745.97 = 217,797.62/x - Step 3: Cross multiply
399,084.98x = 550,745.97 × 217,797.62 - Step 4: Simplify right side
399,084.98x = 119,951,161,490.59 - Step 5: Solve for x
x = 119,951,161,490.59/399,084.98 - Step 6: Final answer
x = 300,565.46
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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.