Finding the Fourth Proportional to 222,885.75, 307,587.75 and 122,283.75
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Solution
The fourth proportional to 222,885.75, 307,587.75 and 122,283.75 is: 168,754.55
Step by Step Solution
- Step 1: Write the proportion equation
222,885.75 : 307,587.75 = 122,283.75 : x - Step 2: Convert to fraction form
222,885.75/307,587.75 = 122,283.75/x - Step 3: Cross multiply
222,885.75x = 307,587.75 × 122,283.75 - Step 4: Simplify right side
222,885.75x = 37,612,983,524.06 - Step 5: Solve for x
x = 37,612,983,524.06/222,885.75 - Step 6: Final answer
x = 168,754.55
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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.