Finding the Fourth Proportional to 222,177.95, 306,604.74 and 120,203.09
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Solution
The fourth proportional to 222,177.95, 306,604.74 and 120,203.09 is: 165,879.81
Step by Step Solution
- Step 1: Write the proportion equation
222,177.95 : 306,604.74 = 120,203.09 : x - Step 2: Convert to fraction form
222,177.95/306,604.74 = 120,203.09/x - Step 3: Cross multiply
222,177.95x = 306,604.74 × 120,203.09 - Step 4: Simplify right side
222,177.95x = 36,854,837,224.15 - Step 5: Solve for x
x = 36,854,837,224.15/222,177.95 - Step 6: Final answer
x = 165,879.81
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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.