Finding the Fourth Proportional to 202,024.49, 278,826.68 and 121,533.37
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Solution
The fourth proportional to 202,024.49, 278,826.68 and 121,533.37 is: 167,735.83
Step by Step Solution
- Step 1: Write the proportion equation
202,024.49 : 278,826.68 = 121,533.37 : x - Step 2: Convert to fraction form
202,024.49/278,826.68 = 121,533.37/x - Step 3: Cross multiply
202,024.49x = 278,826.68 × 121,533.37 - Step 4: Simplify right side
202,024.49x = 33,886,745,673.08 - Step 5: Solve for x
x = 33,886,745,673.08/202,024.49 - Step 6: Final answer
x = 167,735.83
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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.