Finding the Fourth Proportional to 239,636.36, 330,699.26 and 132,206.34
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Solution
The fourth proportional to 239,636.36, 330,699.26 and 132,206.34 is: 182,445.35
Step by Step Solution
- Step 1: Write the proportion equation
239,636.36 : 330,699.26 = 132,206.34 : x - Step 2: Convert to fraction form
239,636.36/330,699.26 = 132,206.34/x - Step 3: Cross multiply
239,636.36x = 330,699.26 × 132,206.34 - Step 4: Simplify right side
239,636.36x = 43,720,538,805.31 - Step 5: Solve for x
x = 43,720,538,805.31/239,636.36 - Step 6: Final answer
x = 182,445.35
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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.