Finding the Fourth Proportional to 236,501.92, 326,329.68 and 139,721.53
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Solution
The fourth proportional to 236,501.92, 326,329.68 and 139,721.53 is: 192,790.33
Step by Step Solution
- Step 1: Write the proportion equation
236,501.92 : 326,329.68 = 139,721.53 : x - Step 2: Convert to fraction form
236,501.92/326,329.68 = 139,721.53/x - Step 3: Cross multiply
236,501.92x = 326,329.68 × 139,721.53 - Step 4: Simplify right side
236,501.92x = 45,595,282,174.01 - Step 5: Solve for x
x = 45,595,282,174.01/236,501.92 - Step 6: Final answer
x = 192,790.33
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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.