Finding the Fourth Proportional to 236,502.48, 326,372.40 and 129,073.44
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Solution
The fourth proportional to 236,502.48, 326,372.40 and 129,073.44 is: 178,120.79
Step by Step Solution
- Step 1: Write the proportion equation
236,502.48 : 326,372.40 = 129,073.44 : x - Step 2: Convert to fraction form
236,502.48/326,372.40 = 129,073.44/x - Step 3: Cross multiply
236,502.48x = 326,372.40 × 129,073.44 - Step 4: Simplify right side
236,502.48x = 42,126,008,389.06 - Step 5: Solve for x
x = 42,126,008,389.06/236,502.48 - Step 6: Final answer
x = 178,120.79
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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.