Finding the Fourth Proportional to 163,657.96, 225,584.67 and 122,197.92
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Solution
The fourth proportional to 163,657.96, 225,584.67 and 122,197.92 is: 168,436.52
Step by Step Solution
- Step 1: Write the proportion equation
163,657.96 : 225,584.67 = 122,197.92 : x - Step 2: Convert to fraction form
163,657.96/225,584.67 = 122,197.92/x - Step 3: Cross multiply
163,657.96x = 225,584.67 × 122,197.92 - Step 4: Simplify right side
163,657.96x = 27,565,977,457.89 - Step 5: Solve for x
x = 27,565,977,457.89/163,657.96 - Step 6: Final answer
x = 168,436.52
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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.