Finding the Fourth Proportional to 222,359.24, 306,859.38 and 121,750.76
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Solution
The fourth proportional to 222,359.24, 306,859.38 and 121,750.76 is: 168,018.04
Step by Step Solution
- Step 1: Write the proportion equation
222,359.24 : 306,859.38 = 121,750.76 : x - Step 2: Convert to fraction form
222,359.24/306,859.38 = 121,750.76/x - Step 3: Cross multiply
222,359.24x = 306,859.38 × 121,750.76 - Step 4: Simplify right side
222,359.24x = 37,360,362,728.13 - Step 5: Solve for x
x = 37,360,362,728.13/222,359.24 - Step 6: Final answer
x = 168,018.04
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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.