Finding the Fourth Proportional to 222,615.64, 307,249.05 and 168,809.95
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Solution
The fourth proportional to 222,615.64, 307,249.05 and 168,809.95 is: 232,987.66
Step by Step Solution
- Step 1: Write the proportion equation
222,615.64 : 307,249.05 = 168,809.95 : x - Step 2: Convert to fraction form
222,615.64/307,249.05 = 168,809.95/x - Step 3: Cross multiply
222,615.64x = 307,249.05 × 168,809.95 - Step 4: Simplify right side
222,615.64x = 51,866,696,768.05 - Step 5: Solve for x
x = 51,866,696,768.05/222,615.64 - Step 6: Final answer
x = 232,987.66
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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.