Finding the Fourth Proportional to 239,666.23, 330,740.58 and 132,236.34
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Solution
The fourth proportional to 239,666.23, 330,740.58 and 132,236.34 is: 182,486.80
Step by Step Solution
- Step 1: Write the proportion equation
239,666.23 : 330,740.58 = 132,236.34 : x - Step 2: Convert to fraction form
239,666.23/330,740.58 = 132,236.34/x - Step 3: Cross multiply
239,666.23x = 330,740.58 × 132,236.34 - Step 4: Simplify right side
239,666.23x = 43,735,923,788.68 - Step 5: Solve for x
x = 43,735,923,788.68/239,666.23 - Step 6: Final answer
x = 182,486.80
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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.