Finding the Fourth Proportional to 236,727.02, 326,690.43 and 129,302.84
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Solution
The fourth proportional to 236,727.02, 326,690.43 and 129,302.84 is: 178,441.82
Step by Step Solution
- Step 1: Write the proportion equation
236,727.02 : 326,690.43 = 129,302.84 : x - Step 2: Convert to fraction form
236,727.02/326,690.43 = 129,302.84/x - Step 3: Cross multiply
236,727.02x = 326,690.43 × 129,302.84 - Step 4: Simplify right side
236,727.02x = 42,242,000,399.82 - Step 5: Solve for x
x = 42,242,000,399.82/236,727.02 - Step 6: Final answer
x = 178,441.82
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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.