Finding the Fourth Proportional to 214,720.94, 322,056.81 and 56,961.70
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Solution
The fourth proportional to 214,720.94, 322,056.81 and 56,961.70 is: 85,436.02
Step by Step Solution
- Step 1: Write the proportion equation
214,720.94 : 322,056.81 = 56,961.70 : x - Step 2: Convert to fraction form
214,720.94/322,056.81 = 56,961.70/x - Step 3: Cross multiply
214,720.94x = 322,056.81 × 56,961.70 - Step 4: Simplify right side
214,720.94x = 18,344,902,589.04 - Step 5: Solve for x
x = 18,344,902,589.04/214,720.94 - Step 6: Final answer
x = 85,436.02
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.