Finding the Fourth Proportional to 415,191.24, 622,612.26 and 145,261.68
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Solution
The fourth proportional to 415,191.24, 622,612.26 and 145,261.68 is: 217,831.43
Step by Step Solution
- Step 1: Write the proportion equation
415,191.24 : 622,612.26 = 145,261.68 : x - Step 2: Convert to fraction form
415,191.24/622,612.26 = 145,261.68/x - Step 3: Cross multiply
415,191.24x = 622,612.26 × 145,261.68 - Step 4: Simplify right side
415,191.24x = 90,441,702,876.20 - Step 5: Solve for x
x = 90,441,702,876.20/415,191.24 - Step 6: Final answer
x = 217,831.43
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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.