Finding the Fourth Proportional to 166,037.12, 247,873.36 and 160,205.12
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Solution
The fourth proportional to 166,037.12, 247,873.36 and 160,205.12 is: 239,166.89
Step by Step Solution
- Step 1: Write the proportion equation
166,037.12 : 247,873.36 = 160,205.12 : x - Step 2: Convert to fraction form
166,037.12/247,873.36 = 160,205.12/x - Step 3: Cross multiply
166,037.12x = 247,873.36 × 160,205.12 - Step 4: Simplify right side
166,037.12x = 39,710,581,383.60 - Step 5: Solve for x
x = 39,710,581,383.60/166,037.12 - Step 6: Final answer
x = 239,166.89
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.