Finding the Fourth Proportional to 146,423.06, 202,047.17 and 82,760.70
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Solution
The fourth proportional to 146,423.06, 202,047.17 and 82,760.70 is: 114,200.35
Step by Step Solution
- Step 1: Write the proportion equation
146,423.06 : 202,047.17 = 82,760.70 : x - Step 2: Convert to fraction form
146,423.06/202,047.17 = 82,760.70/x - Step 3: Cross multiply
146,423.06x = 202,047.17 × 82,760.70 - Step 4: Simplify right side
146,423.06x = 16,721,564,808.42 - Step 5: Solve for x
x = 16,721,564,808.42/146,423.06 - Step 6: Final answer
x = 114,200.35
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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.