Finding the Fourth Proportional to 197,833.58, 272,859.70 and 170,285.12
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Solution
The fourth proportional to 197,833.58, 272,859.70 and 170,285.12 is: 234,863.80
Step by Step Solution
- Step 1: Write the proportion equation
197,833.58 : 272,859.70 = 170,285.12 : x - Step 2: Convert to fraction form
197,833.58/272,859.70 = 170,285.12/x - Step 3: Cross multiply
197,833.58x = 272,859.70 × 170,285.12 - Step 4: Simplify right side
197,833.58x = 46,463,947,014.10 - Step 5: Solve for x
x = 46,463,947,014.10/197,833.58 - Step 6: Final answer
x = 234,863.80
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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.