Finding the Fourth Proportional to 239,602.24, 330,757.34 and 154,760.68
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Solution
The fourth proportional to 239,602.24, 330,757.34 and 154,760.68 is: 213,638.37
Step by Step Solution
- Step 1: Write the proportion equation
239,602.24 : 330,757.34 = 154,760.68 : x - Step 2: Convert to fraction form
239,602.24/330,757.34 = 154,760.68/x - Step 3: Cross multiply
239,602.24x = 330,757.34 × 154,760.68 - Step 4: Simplify right side
239,602.24x = 51,188,230,853.39 - Step 5: Solve for x
x = 51,188,230,853.39/239,602.24 - Step 6: Final answer
x = 213,638.37
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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.