Finding the Fourth Proportional to 239,627.74, 330,743.82 and 144,115.96
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Solution
The fourth proportional to 239,627.74, 330,743.82 and 144,115.96 is: 198,914.63
Step by Step Solution
- Step 1: Write the proportion equation
239,627.74 : 330,743.82 = 144,115.96 : x - Step 2: Convert to fraction form
239,627.74/330,743.82 = 144,115.96/x - Step 3: Cross multiply
239,627.74x = 330,743.82 × 144,115.96 - Step 4: Simplify right side
239,627.74x = 47,665,463,133.37 - Step 5: Solve for x
x = 47,665,463,133.37/239,627.74 - Step 6: Final answer
x = 198,914.63
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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.