Finding the Fourth Proportional to 214,135.80, 320,858.10 and 135,108.60
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Solution
The fourth proportional to 214,135.80, 320,858.10 and 135,108.60 is: 202,444.84
Step by Step Solution
- Step 1: Write the proportion equation
214,135.80 : 320,858.10 = 135,108.60 : x - Step 2: Convert to fraction form
214,135.80/320,858.10 = 135,108.60/x - Step 3: Cross multiply
214,135.80x = 320,858.10 × 135,108.60 - Step 4: Simplify right side
214,135.80x = 43,350,688,689.66 - Step 5: Solve for x
x = 43,350,688,689.66/214,135.80 - Step 6: Final answer
x = 202,444.84
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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.