Finding the Fourth Proportional to 248,457.43, 342,845.49 and 139,573.99
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Solution
The fourth proportional to 248,457.43, 342,845.49 and 139,573.99 is: 192,597.63
Step by Step Solution
- Step 1: Write the proportion equation
248,457.43 : 342,845.49 = 139,573.99 : x - Step 2: Convert to fraction form
248,457.43/342,845.49 = 139,573.99/x - Step 3: Cross multiply
248,457.43x = 342,845.49 × 139,573.99 - Step 4: Simplify right side
248,457.43x = 47,852,312,992.81 - Step 5: Solve for x
x = 47,852,312,992.81/248,457.43 - Step 6: Final answer
x = 192,597.63
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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.