Finding the Fourth Proportional to 415,324.08, 622,986.12 and 115,792.56
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Solution
The fourth proportional to 415,324.08, 622,986.12 and 115,792.56 is: 173,688.84
Step by Step Solution
- Step 1: Write the proportion equation
415,324.08 : 622,986.12 = 115,792.56 : x - Step 2: Convert to fraction form
415,324.08/622,986.12 = 115,792.56/x - Step 3: Cross multiply
415,324.08x = 622,986.12 × 115,792.56 - Step 4: Simplify right side
415,324.08x = 72,137,157,679.27 - Step 5: Solve for x
x = 72,137,157,679.27/415,324.08 - Step 6: Final answer
x = 173,688.84
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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.