Finding the Fourth Proportional to 165,644.40, 248,173.80 and 160,162.80
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Solution
The fourth proportional to 165,644.40, 248,173.80 and 160,162.80 is: 239,961.09
Step by Step Solution
- Step 1: Write the proportion equation
165,644.40 : 248,173.80 = 160,162.80 : x - Step 2: Convert to fraction form
165,644.40/248,173.80 = 160,162.80/x - Step 3: Cross multiply
165,644.40x = 248,173.80 × 160,162.80 - Step 4: Simplify right side
165,644.40x = 39,748,210,694.64 - Step 5: Solve for x
x = 39,748,210,694.64/165,644.40 - Step 6: Final answer
x = 239,961.09
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.