Finding the Fourth Proportional to 221,947.44, 306,201.24 and 141,360.48
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Solution
The fourth proportional to 221,947.44, 306,201.24 and 141,360.48 is: 195,022.54
Step by Step Solution
- Step 1: Write the proportion equation
221,947.44 : 306,201.24 = 141,360.48 : x - Step 2: Convert to fraction form
221,947.44/306,201.24 = 141,360.48/x - Step 3: Cross multiply
221,947.44x = 306,201.24 × 141,360.48 - Step 4: Simplify right side
221,947.44x = 43,284,754,263.00 - Step 5: Solve for x
x = 43,284,754,263.00/221,947.44 - Step 6: Final answer
x = 195,022.54
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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.