Finding the Fourth Proportional to 345,721.63, 518,669.92 and 96,403.63
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Solution
The fourth proportional to 345,721.63, 518,669.92 and 96,403.63 is: 144,629.84
Step by Step Solution
- Step 1: Write the proportion equation
345,721.63 : 518,669.92 = 96,403.63 : x - Step 2: Convert to fraction form
345,721.63/518,669.92 = 96,403.63/x - Step 3: Cross multiply
345,721.63x = 518,669.92 × 96,403.63 - Step 4: Simplify right side
345,721.63x = 50,001,663,059.81 - Step 5: Solve for x
x = 50,001,663,059.81/345,721.63 - Step 6: Final answer
x = 144,629.84
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.