Finding the Fourth Proportional to 146,861.28, 202,660.59 and 83,197.71
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Solution
The fourth proportional to 146,861.28, 202,660.59 and 83,197.71 is: 114,808.32
Step by Step Solution
- Step 1: Write the proportion equation
146,861.28 : 202,660.59 = 83,197.71 : x - Step 2: Convert to fraction form
146,861.28/202,660.59 = 83,197.71/x - Step 3: Cross multiply
146,861.28x = 202,660.59 × 83,197.71 - Step 4: Simplify right side
146,861.28x = 16,860,896,995.25 - Step 5: Solve for x
x = 16,860,896,995.25/146,861.28 - Step 6: Final answer
x = 114,808.32
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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.