Finding the Fourth Proportional to 236,748.63, 326,707.74 and 129,318.99
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Solution
The fourth proportional to 236,748.63, 326,707.74 and 129,318.99 is: 178,457.27
Step by Step Solution
- Step 1: Write the proportion equation
236,748.63 : 326,707.74 = 129,318.99 : x - Step 2: Convert to fraction form
236,748.63/326,707.74 = 129,318.99/x - Step 3: Cross multiply
236,748.63x = 326,707.74 × 129,318.99 - Step 4: Simplify right side
236,748.63x = 42,249,514,961.98 - Step 5: Solve for x
x = 42,249,514,961.98/236,748.63 - Step 6: Final answer
x = 178,457.27
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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.