Finding the Fourth Proportional to 146,349.36, 201,966.08 and 82,685.80
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Solution
The fourth proportional to 146,349.36, 201,966.08 and 82,685.80 is: 114,108.64
Step by Step Solution
- Step 1: Write the proportion equation
146,349.36 : 201,966.08 = 82,685.80 : x - Step 2: Convert to fraction form
146,349.36/201,966.08 = 82,685.80/x - Step 3: Cross multiply
146,349.36x = 201,966.08 × 82,685.80 - Step 4: Simplify right side
146,349.36x = 16,699,726,897.66 - Step 5: Solve for x
x = 16,699,726,897.66/146,349.36 - Step 6: Final answer
x = 114,108.64
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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.