Finding the Fourth Proportional to 236,950.49, 326,991.65 and 129,520.95
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Solution
The fourth proportional to 236,950.49, 326,991.65 and 129,520.95 is: 178,738.89
Step by Step Solution
- Step 1: Write the proportion equation
236,950.49 : 326,991.65 = 129,520.95 : x - Step 2: Convert to fraction form
236,950.49/326,991.65 = 129,520.95/x - Step 3: Cross multiply
236,950.49x = 326,991.65 × 129,520.95 - Step 4: Simplify right side
236,950.49x = 42,352,268,502.46 - Step 5: Solve for x
x = 42,352,268,502.46/236,950.49 - Step 6: Final answer
x = 178,738.89
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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.