Finding the Fourth Proportional to 222,424.98, 307,021.29 and 135,209.76
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Solution
The fourth proportional to 222,424.98, 307,021.29 and 135,209.76 is: 186,634.95
Step by Step Solution
- Step 1: Write the proportion equation
222,424.98 : 307,021.29 = 135,209.76 : x - Step 2: Convert to fraction form
222,424.98/307,021.29 = 135,209.76/x - Step 3: Cross multiply
222,424.98x = 307,021.29 × 135,209.76 - Step 4: Simplify right side
222,424.98x = 41,512,274,935.79 - Step 5: Solve for x
x = 41,512,274,935.79/222,424.98 - Step 6: Final answer
x = 186,634.95
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1.5x scale
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.