Finding the Fourth Proportional to 236,596.29, 326,502.05 and 129,165.09
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Solution
The fourth proportional to 236,596.29, 326,502.05 and 129,165.09 is: 178,247.37
Step by Step Solution
- Step 1: Write the proportion equation
236,596.29 : 326,502.05 = 129,165.09 : x - Step 2: Convert to fraction form
236,596.29/326,502.05 = 129,165.09/x - Step 3: Cross multiply
236,596.29x = 326,502.05 × 129,165.09 - Step 4: Simplify right side
236,596.29x = 42,172,666,027.61 - Step 5: Solve for x
x = 42,172,666,027.61/236,596.29 - Step 6: Final answer
x = 178,247.37
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1.5x scale
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.