Finding the Fourth Proportional to 236,637.99, 326,558.79 and 129,207.96
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Solution
The fourth proportional to 236,637.99, 326,558.79 and 129,207.96 is: 178,306.09
Step by Step Solution
- Step 1: Write the proportion equation
236,637.99 : 326,558.79 = 129,207.96 : x - Step 2: Convert to fraction form
236,637.99/326,558.79 = 129,207.96/x - Step 3: Cross multiply
236,637.99x = 326,558.79 × 129,207.96 - Step 4: Simplify right side
236,637.99x = 42,193,995,075.97 - Step 5: Solve for x
x = 42,193,995,075.97/236,637.99 - Step 6: Final answer
x = 178,306.09
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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.