Finding the Fourth Proportional to 148,305.24, 204,660.08 and 80,320.64
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Solution
The fourth proportional to 148,305.24, 204,660.08 and 80,320.64 is: 110,841.86
Step by Step Solution
- Step 1: Write the proportion equation
148,305.24 : 204,660.08 = 80,320.64 : x - Step 2: Convert to fraction form
148,305.24/204,660.08 = 80,320.64/x - Step 3: Cross multiply
148,305.24x = 204,660.08 × 80,320.64 - Step 4: Simplify right side
148,305.24x = 16,438,428,608.05 - Step 5: Solve for x
x = 16,438,428,608.05/148,305.24 - Step 6: Final answer
x = 110,841.86
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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.