Finding the Fourth Proportional to 236,727.29, 326,683.66 and 129,297.58
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Solution
The fourth proportional to 236,727.29, 326,683.66 and 129,297.58 is: 178,430.65
Step by Step Solution
- Step 1: Write the proportion equation
236,727.29 : 326,683.66 = 129,297.58 : x - Step 2: Convert to fraction form
236,727.29/326,683.66 = 129,297.58/x - Step 3: Cross multiply
236,727.29x = 326,683.66 × 129,297.58 - Step 4: Simplify right side
236,727.29x = 42,239,404,383.64 - Step 5: Solve for x
x = 42,239,404,383.64/236,727.29 - Step 6: Final answer
x = 178,430.65
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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.